jdsports.com

jdsports.com is SSL secured

Free website and domain report on jdsports.com

Last Updated: 21st January, 2022 Update Now
Overview

Snoop Summary for jdsports.com

This is a free and comprehensive report about jdsports.com. The domain jdsports.com is currently hosted on a server located in United States with the IP address 184.28.45.170, where the local currency is USD and English is the local language. Our records indicate that jdsports.com is privately registered by JD Sports Fashion plc. Jdsports.com is expected to earn an estimated $6,424 USD per day from advertising revenue. The sale of jdsports.com would possibly be worth $4,689,453 USD. This figure is based on the daily revenue potential of the website over a 24 month period. Jdsports.com receives an estimated 689,935 unique visitors every day - an insane amount of traffic! This report was last updated 21st January, 2022.

About jdsports.com

Site Preview: jdsports.com jdsports.com
Title: Access Denied
Description:
Keywords and Tags: beauty, fashion
Related Terms:
Fav Icon:
Age: Over 13 years old
Domain Created: 11th May, 2010
Domain Updated: 3rd February, 2020
Domain Expires: 24th March, 2021
Review

Snoop Score

4/5 (Excellent!)

Valuation

$4,689,453 USD
Note: All valuation figures are estimates.

Popularity

Very High
Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank: 3,418
Alexa Reach: 0.0140%
SEMrush Rank (US):
SEMrush Authority Score:
Moz Domain Authority: 33
Moz Page Authority: 40

Rank By Country

Country Alexa Rank
Canada Flag Canada 4,780
India Flag India 60,430
Japan Flag Japan 286
United States Flag United States 9,618

Organic vs Paid (Google Ads)

Traffic

Visitors

Daily Visitors: 689,935
Monthly Visitors: 20,999,448
Yearly Visitors: 251,826,275
Note: All visitors figures are estimates.

Visitors By Country

Country Visitors (Unique) Percentage
Canada Flag Canada Daily: 7,589
Monthly: 230,994
Yearly: 2,770,089
1.1%
India Flag India Daily: 5,519
Monthly: 167,996
Yearly: 2,014,610
0.8%
Japan Flag Japan Daily: 586,445
Monthly: 17,849,531
Yearly: 214,052,334
85%
Other Daily: 24,838
Monthly: 755,980
Yearly: 9,065,746
3.6%
United States Flag United States Daily: 65,544
Monthly: 1,994,948
Yearly: 23,923,496
9.5%
Note: All visitors figures are estimates.
Revenue

Revenue

Daily Revenue: $6,424 USD
Monthly Revenue: $195,523 USD
Yearly Revenue: $2,344,722 USD
Note: All revenue figures are estimates.

Revenue By Country

Country Revenue Percentage
Canada Flag Canada Daily: $50 USD
Monthly: $1,519 USD
Yearly: $18,213 USD
0.8%
India Flag India Daily: $60 USD
Monthly: $1,826 USD
Yearly: $21,903 USD
0.9%
Japan Flag Japan Daily: $1,079 USD
Monthly: $32,828 USD
Yearly: $393,673 USD
16.8%
Other Daily: $0 USD
Monthly: $0 USD
Yearly: $0 USD
<0.1%
United States Flag United States Daily: $5,235 USD
Monthly: $159,350 USD
Yearly: $1,910,933 USD
81.5%
Note: All revenue figures are estimates.
SEO

Backlinks Analysis (SEMrush)

Top New Follow Links

Top Ranking Keywords (US)

Domain Analysis

Value Length
Domain: jdsports.com 12
Domain Name: jdsports 8
Extension (TLD): com 3
Expiry Check:

Page Speed Analysis

Average Load Time: 2.40 seconds
Load Time Comparison: Faster than 32% of sites

PageSpeed Insights

Avg. (All Categories) 44
Performance 24
Accessibility 77
Best Practices 54
SEO 55
Progressive Web App 11
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://www.jdsports.com/
Updated: 13th August, 2020

0.93 seconds
First Contentful Paint (FCP)
77%
18%
5%

0.04 seconds
First Input Delay (FID)
88%
8%
4%

Simulate loading on desktop
24

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for jdsports.com. This includes details about optimizing page load times which can result in a better user experience.

Opportunities

Eliminate render-blocking resources — Potential savings of 110 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Jdsports.com should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://www.jdsports.com/store/assets/css/0a233f78d7dd938a3a0176d44816c148.app.min.css
49919
350
https://www.jdsports.com/store/assets/css/amplience-sdk-client.min.css
1260
70
https://www.jdsports.com/store/assets/css/4f40793fd757062622add94a0f4853c0.style-guide-jd.min.css
37950
150
Properly size images — Potential savings of 27 KiB
Images can slow down the page's load time. Jdsports.com should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://media.jdsports.com/i/jdsports/JD_071720_BtS_W-Clothing_HPMid_Desktop_435x435_v01
31501
6568
https://media.jdsports.com/i/jdsports/JD_071720_BtS_K-Clothing_HPMid_Desktop_435x435_v01
27847
5806
https://media.jdsports.com/i/jdsports/JD_071720_BtS_M-Clothing_HPMid_Desktop_435x435_v02
24148
5035
https://media.jdsports.com/i/jdsports/JD_080520_BTS_W-Shoes_HPMid_Desktop_435x435
13979
2915
https://media.jdsports.com/i/jdsports/JD_080520_Nike-Air-Max-90-LTR_HPMid_Desktop_435x435_v01
13206
2754
https://media.jdsports.com/i/jdsports/JD_080320_HPMid_Mens-Shoes-ft-Vapormax-Plus_Desktop_435x435
12559
2619
https://media.jdsports.com/i/jdsports/JD_080420_SupplyandDemand_Homepage-Tile_601x736
86980
2207
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Jdsports.com should consider minifying CSS files.
Minify JavaScript — Potential savings of 2 KiB
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Jdsports.com should consider minifying JS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://sdk-cdn.optimove.net/webconfig/1f4806e0e92dd49a1de402594f1d60b61a25f48538691dc0493a9eb271b9f5f3/jdsports.1.0.0.js
5469
2093
Efficiently encode images — Potential savings of 20 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://jdsports.a.bigcontent.io/v1/static/JD_080120_Klarna_HPBanner_Desktop_1213x250_v06
42237
20483
Enable text compression — Potential savings of 49 KiB
Text-based resources should be served with compression, such as gzip, deflate or brotli.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://intljs.rmtag.com/117995.ct.js
68848
46475
https://static.powerreviews.com/t/v1/tracker.js
6270
3489
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Jdsports.com should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.

Diagnostics

Avoid chaining critical requests — 18 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Jdsports.com should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures — 1 user timing
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Name Type Start Time (Ms) Duration (Ms)
optimizely:blockBegin
Mark
2694.042
Keep request counts low and transfer sizes small — 163 requests • 3,651 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
163
3738989
Script
51
1671641
Image
56
1646129
Font
4
166445
Stylesheet
6
162221
Other
41
58098
Document
5
34455
Media
0
0
Third-party
126
2482018
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Avoid large layout shifts — 5 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
0.3480875635623
0.33999156174299
0.048972192289113
0.037621933965269
0.031958568596681
Avoid long main-thread tasks — 15 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://tags.tiqcdn.com/utag/finishline/jdsports/prod/utag.js
4313
383
https://code.jquery.com/jquery-1.11.3.min.js
4747
344
https://ui.powerreviews.com/tag-builds/10093/4.0/category.engine.js
2580
208
https://www.jdsports.com/public/31e3c3ab3no25962c0fc2bdd586ec2d
5091
202
https://ui.powerreviews.com/tag-builds/10093/4.0/category.engine.js
5630
132
https://www.res-x.com/ws/r2/Resonance.aspx?appid=jdsports01&tk=2988155049471379&ss=8904265049471379&sg=1&pg=53541806049471379&vr=5.10x&bx=true&sc=homepage1_rr&no=20&afterpay=&ccb=certonaRecommendations&ur=https%3A%2F%2Fwww.jdsports.com%2F&plk=&rf=
6520
115
https://cdn.optimizely.com/js/14099730164.js
1691
103
https://cdn.optimizely.com/js/14099730164.js
4213
100
https://8780770.fls.doubleclick.net/ddm/fls/r/dc_pre=CIGdza6HmOsCFVKfhwodqZgCbw;src=8780770;type=retar0;cat=jdspo0;ord=6540988148901.112;~oref=https://www.jdsports.com/
2924
76
https://cdn.dynamicyield.com/api/8772795/api_dynamic.js
1620
71
https://beacon.riskified.com/?shop=jdsports.com&sid=AmXnirx5-Rd5MjCkFgyTXE1doB12aNJJsGF_RbadQsQ4W03ZwIoY!833104979!1597317495929_1597317495934
5920
68
https://www.jdsports.com/public/31e3c3ab3no25962c0fc2bdd586ec2d
5314
67
https://d26opx5dl8t69i.cloudfront.net/js/reflektion.js?t=887394
1859
58
https://connect.facebook.net/signals/config/1076491922511074?v=2.9.23&r=stable
4696
51
https://www.jdsports.com/
733
50

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Other

Network Requests
Below is a list of network requests that were made during page load.
URL Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://jdsports.com/
0
66.767999989679
518
0
301
https://jdsports.com/
67.069999990053
484.60399999749
403
0
301
https://www.jdsports.com/
484.94399999618
2606.2089999905
29686
145539
200
text/html
Document
https://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js
2623.8859999867
2654.8339999863
29416
83606
200
application/javascript
Script
https://cdn.optimizely.com/js/14099730164.js
2624.1339999833
2653.9589999884
83770
270820
200
text/javascript
Script
https://www.jdsports.com/store/assets/css/0a233f78d7dd938a3a0176d44816c148.app.min.css
2625.0789999904
5671.0709999898
49919
335512
200
text/css
Stylesheet
https://www.jdsports.com/store/assets/css/amplience-sdk-client.min.css
2625.4469999985
5103.8799999806
1260
2782
200
text/css
Stylesheet
https://www.jdsports.com/store/assets/css/4f40793fd757062622add94a0f4853c0.style-guide-jd.min.css
2625.6319999811
3707.3989999772
37950
303324
200
text/css
Stylesheet
https://245408735-prod.rfksrv.com/rfk/js/11303-245408735/init.js
2626.6969999997
2781.4129999897
6674
15050
200
application/javascript
Script
https://cdn.dynamicyield.com/api/8772795/api_dynamic.js
2625.8830000006
2650.662
26259
205520
200
application/javascript
Script
https://cdn.dynamicyield.com/api/8772795/api_static.js
2626.1449999874
2746.6149999818
81335
283177
200
application/javascript
Script
https://tags.tiqcdn.com/utag/finishline/jdsports/prod/utag.sync.js
2626.3369999942
2642.4549999938
423
109
200
text/javascript
Script
https://ui.powerreviews.com/stable/4.0/ui.js
2626.5520000015
2691.4449999749
9141
25316
200
application/javascript
Script
https://www.jdsports.com/store/assets/images/loading-spinner.gif
2627.061999985
5691.0199999984
18811
19406
200
image/gif
Image
https://media.jdsports.com/i/jdsports/jd-sports-logo-2x
2627.3489999876
2924.9060000002
2842
2272
200
image/png
Image
https://media.jdsports.com/i/jdsports/JD_letterLogo_WonB?w=42
2627.5230000028
3090.6839999952
1439
869
200
image/jpeg
Image
https://www.jdsports.com/store/assets/images/installments-by-afterpay.png
2642.3239999858
4734.3689999834
5947
5630
200
image/png
Image
https://photorankstatics-a.akamaihd.net/81b03e40475846d5883661ff57b34ece/static/frontend/latest/build.min.js
2643.6870000034
3083.9739999792
119524
401405
200
application/javascript
Script
https://code.jquery.com/jquery-1.11.3.min.js
2644.128999993
2664.3129999866
33767
95957
200
application/javascript
Script
https://www.google.com/jsapi
2644.6659999783
2649.2339999822
542
0
301
text/html
https://x.klarnacdn.net/kp/lib/v1/api.js
2646.7619999894
2702.9929999844
50581
168987
200
application/javascript
Script
https://www.jdsports.com/store/assets/scripts/min/3f33548c9952064759fb272d49ee7cd6.style-guide.min.js
2647.0529999933
3734.5269999932
93134
339774
200
text/javascript
Script
https://www.jdsports.com/store/assets/scripts/min/d77a4ae0e170dd2401abf41281cb5a6f.vendor.min.js
2647.3459999834
5727.6569999813
45549
143454
200
text/javascript
Script
https://www.jdsports.com/store/assets/scripts/min/af922cf8d55effac98a39866e4e3c740.app.min.js
2647.76599998
4749.2889999994
182612
750857
200
text/javascript
Script
https://www.jdsports.com/public/31e3c3ab3no25962c0fc2bdd586ec2d
2648.9529999963
2902.1499999799
17955
68805
200
application/javascript
Script
https://www.gstatic.com/charts/loader.js
2649.4579999999
2659.805000003
20820
65905
200
text/javascript
Script
https://a7474150781.cdn.optimizely.com/client_storage/a7474150781.html
2786.1509999784
2954.0810000035
1575
1517
200
text/html
Document
https://logx.optimizely.com/v1/events
3779.4719999947
3805.4100000008
361
0
204
text/plain
XHR
https://st.dynamicyield.com/st?sec=8772795&inHead=true&id=0&jsession=&ref=&scriptVersion=12382&dyid_server=&ctx=%7B%22type%22%3A%22HOMEPAGE%22%2C%22lng%22%3A%22en_GB%22%7D
5771.6939999955
5814.7319999989
4946
32601
200
text/javascript
Script
https://s.go-mpulse.net/boomerang/Q537A-47NEF-FM4LL-AUKH7-PWYY4
5814.0739999944
5909.0179999766
48230
191256
200
application/javascript
Script
https://ui.powerreviews.com/stable-4.0-version.json
5823.0089999852
6023.9749999892
848
11
200
application/json
XHR
https://tags.tiqcdn.com/utag/finishline/jdsports/prod/utag.js
5825.2879999927
5848.2049999875
87544
337363
200
text/javascript
Script
https://www.jdsports.com/store/assets/images/nav-bg.jpg
5835.1810000022
6866.8799999868
12521
13593
200
image/jpeg
Image
https://www.jdsports.com/store/assets/fonts/Gotham-Book.otf
5845.9969999967
6896.1069999787
46051
86232
200
text/plain
Font
https://www.jdsports.com/store/assets/fonts/Gotham-Bold.otf
5846.2519999885
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45163
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200
text/plain
Font
https://www.jdsports.com/store/assets/fonts/1feba7f4f1111e8786c2def63041921e.FinishLineIconFont.woff
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8918.3759999869
71091
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200
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Font
https://d26opx5dl8t69i.cloudfront.net/js/reflektion.js?t=887394
5892.9929999867
5981.4079999924
41204
91539
200
application/javascript
Script
https://cdn.dynamicyield.com/scripts/12382/dy-coll-nojq-min.js
5919.4799999823
5940.3820000007
49919
172137
200
application/javascript
Script
https://jdsports.a.bigcontent.io/v1/static/JD_080120_Klarna_HPBanner_Desktop_1213x250_v06
6208.964999998
6593.4339999803
42724
42237
200
image/jpeg
Image
https://media.jdsports.com/i/jdsports/JD_080320_HPMid_Mens-Shoes-ft-Vapormax-Plus_Desktop_435x435
6209.1959999816
6306.8249999778
13131
12559
200
image/jpeg
Image
https://media.jdsports.com/i/jdsports/JD_080520_BTS_W-Shoes_HPMid_Desktop_435x435
6209.6819999861
6325.2909999865
14551
13979
200
image/jpeg
Image
https://media.jdsports.com/i/jdsports/JD_080520_Nike-Air-Max-90-LTR_HPMid_Desktop_435x435_v01
6210.2610000002
6263.3130000031
13778
13206
200
image/jpeg
Image
https://media.jdsports.com/i/jdsports/JD_071720_BtS_M-Clothing_HPMid_Desktop_435x435_v02
6210.471999977
6324.6169999766
24719
24148
200
image/jpeg
Image
https://media.jdsports.com/i/jdsports/JD_071720_BtS_W-Clothing_HPMid_Desktop_435x435_v01
6210.7139999862
6360.1559999806
32072
31501
200
image/jpeg
Image
https://media.jdsports.com/i/jdsports/JD_071720_BtS_K-Clothing_HPMid_Desktop_435x435_v01
6211.198999983
6274.7049999889
28418
27847
200
image/jpeg
Image
https://jdsports.a.bigcontent.io/v1/static/JD_072220_BTS_Desktop_1213x250_v02
6211.4159999765
6766.1139999982
278041
277554
200
image/png
Image
https://media.jdsports.com/i/jdsports/JD_080420_SupplyandDemand_Homepage-Tile_601x736
6211.6399999941
6350.4419999954
87552
86980
200
image/jpeg
Image
https://media.jdsports.com/i/jdsports/FNL_080320_JD_Champion_Tile_Cartridge_601x736
6212.1509999852
6269.4039999915
62291
61719
200
image/jpeg
Image
https://www.jdsports.com/store/cart/gadgets/miniCart.jsp
6387.7769999963
9656.9449999952
2270
2855
200
text/html
XHR
https://media.jdsports.com/i/jdsports/JD_070620_SummerEssentials_HeroCartridge_Desktop_1213x600
6535.5829999899
6566.6579999961
124996
124423
200
image/jpeg
Image
https://sdk-cdn.optimove.net/websdk/sdk-v1.0.7.js
6640.9139999887
6645.3079999774
10438
34656
200
application/javascript
Script
https://edge1.certona.net/cd/5410c9ac/jdsports.com/scripts/resonance.js?utv=ut4.46.201904121536
6748.7969999784
6787.811999995
4709
12528
200
application/javascript
Script
https://www.jdsports.com/public/31e3c3ab3no25962c0fc2bdd586ec2d
6902.4700000009
7020.5179999757
862
17
201
application/json
XHR
https://photorankstatics-a.akamaihd.net/assets2/widget/8b1db8cf866966f70cf408118d18be74?lang=en_US&
7275.1040000003
7809.8109999846
7041
22689
200
text/html
XHR
https://async-px.dynamicyield.com/uia?cnst=1&_=1597317493671
7361.6949999996
7412.193999975
356
0
200
text/plain
XHR
https://d26opx5dl8t69i.cloudfront.net/js/jquery-3.4.1.m.1588889810.js
7441.9380000036
7507.7630000014
34064
97324
200
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8626.0899999761
8642.943999992
727
42
200
image/gif
Image
https://www.google.com/pagead/1p-user-list/976781343/?random=1597317494867&cv=9&fst=1597316400000&num=1&bg=ffffff&guid=ON&u_h=600&u_w=800&u_ah=600&u_aw=800&u_cd=24&u_his=2&u_tz=-420&u_java=false&u_nplug=0&u_nmime=0&gtm=2oa871&sendb=1&data=event%3Dgtag.config&frm=0&url=https%3A%2F%2Fwww.jdsports.com%2F&tiba=JD%20Sports%20%7C%20Shoes%2C%20Clothing%20%26%20Accessories%20%7C%20Nike%2C%20adidas%2C%20Jordan&async=1&fmt=3&is_vtc=1&random=227709555&resp=GooglemKTybQhCsO&rmt_tld=0&ipr=y
8626.3159999799
8642.1629999822
727
42
200
image/gif
Image
https://idsync.rlcdn.com/1000.gif?memo=CPf8GxIwCiwIARCd5gEaJGZlMDY4NzNjLWFlMGUtZGRiNC0zOWQ2LTM3YzQ1YjliZjg1YxAAGg0I9sLU-QUSBQjoBxAAQgBKAA
8634.9760000012
8673.953999998
639
0
307
https://realtime-633.optimove.net/reportEvent
8672.5290000031
8727.6379999821
346
0
204
Other
https://realtime-633.optimove.net/reportEvent
8728.1979999971
8789.4709999964
375
77
200
application/json
Fetch
https://tags.rd.linksynergy.com/cs?ns=lr&uid3=46e0d9ea80e34513baf1aec0db11946c4654309adaab940d168bdeb80b09a22c6ac34734d8e453ee
8674.1610000026
8691.393999994
474
37
200
image/gif
Image
https://www.finishline.com/media/pages/global/images/xmodule-carousel/arrow-left.png
8761.7739999841
11890.400999982
1704
1499
200
image/png
Image
https://photorankmedia-a.akamaihd.net/media/o/o/d/oodwem4/normal.jpg
8762.2229999979
9365.9869999974
72122
71707
200
image/jpeg
Image
https://z3photorankmedia-a.akamaihd.net/media/8/h/w/8hw5uk4/normal.jpg
8762.9409999936
8886.9339999801
85916
85352
200
image/jpeg
Image
https://z1photorankmedia-a.akamaihd.net/media/z/x/b/zxbqmk4/normal.jpg
8763.6939999938
8931.6799999797
83524
82960
200
image/jpeg
Image
https://z2photorankmedia-a.akamaihd.net/media/a/2/p/a2p9vk4/normal.jpg
8764.0649999958
8962.8139999986
82502
81938
200
image/jpeg
Image
https://photorankmedia-a.akamaihd.net/media/7/b/6/7b65tk4/normal.jpg
8764.5699999994
9394.8019999953
7836
7422
200
image/jpeg
Image
https://z1photorankmedia-a.akamaihd.net/media/2/i/k/2ik32m4/normal.jpg
8765.2169999783
8963.9369999932
84515
83951
200
image/jpeg
Image
https://photorankmedia-a.akamaihd.net/media/3/w/y/3wypsn4/normal.jpg
8765.8050000027
9275.8719999983
91751
91187
200
image/jpeg
Image
https://z2photorankmedia-a.akamaihd.net/media/j/s/m/jsmi2m4/normal.jpg
8766.3549999997
9005.5129999819
54584
54020
200
image/jpeg
Image
https://z1photorankmedia-a.akamaihd.net/media/e/t/q/etqnmn4/normal.jpg
8766.9679999817
9409.547999996
123384
122819
200
image/jpeg
Image
https://www.finishline.com/media/pages/global/images/xmodule-carousel/arrow-right.png
8767.7009999752
10839.64999998
1708
1514
200
image/png
Image
https://data.photorank.me/track/widget/8b1db8cf866966f70cf408118d18be74/stream/2199723717/render.gif?analytics_id=1597317494990&pics=9&auth_token=def09375be4c139b3b4cf66d8bee1aec34ebcdb2b254d42787eed582c8673b9e&trand=1597317495053
8787.1619999933
8868.8889999758
228
43
200
image/gif
Image
https://photorankstatics-a.akamaihd.net/assets/finishline/viewer2v2.html?lang=en_US&
8801.3510000019
9110.680999991
10149
48259
200
text/html
XHR
https://www.facebook.com/tr/?id=1076491922511074&ev=Microdata&dl=https%3A%2F%2Fwww.jdsports.com%2F&rl=&if=false&ts=1597317495347&cd[DataLayer]=%5B%5D&cd[Meta]=%7B%22title%22%3A%22JD%20Sports%20%7C%20Shoes%2C%20Clothing%20%26%20Accessories%20%7C%20Nike%2C%20adidas%2C%20Jordan%22%7D&cd[OpenGraph]=%7B%22og%3Atitle%22%3A%22JD%20Sports%20%7C%20Shoes%2C%20Clothing%20%26%20Accessories%20%7C%20Nike%2C%20adidas%2C%20Jordan%22%2C%22og%3Adescription%22%3A%22Shop%20JD%20Sports%20for%20must-have%20sneakers%2C%20sportswear%20and%20accessories%20from%20top%20brands%20like%20Nike%2C%20Jordan%2C%20adidas%2C%20Champion%2C%20Vans%20and%20more.%22%2C%22og%3Atype%22%3A%22website%22%2C%22og%3Aimage%22%3A%22https%3A%2F%2Fmedia.jdsports.com%2Fi%2Fjdsports%2F1024px-JD_Sports_logo.svg%22%2C%22og%3Aurl%22%3A%22https%3A%2F%2Fwww.jdsports.com%22%2C%22og%3Asite_name%22%3A%22JD%20Sports%22%7D&cd[Schema.org]=%5B%5D&cd[JSON-LD]=%5B%5D&sw=800&sh=600&v=2.9.23&r=stable&a=tmtealium&ec=1&o=30&fbp=fb.1.1597317494767.1004546228&it=1597317494329&coo=false&es=automatic&tm=3&rqm=GET
9037.5999999815
9052.8380000032
463
44
200
image/gif
Image
https://fonts.googleapis.com/css?family=Roboto:400,300,100,500
9135.4049999791
9237.8159999789
1675
9424
200
text/css
Stylesheet
https://media.jdsports.com/s/jdsports/CW7033_100?$default$$&h=245&w=245&bg=rgb(237,237,237)
9550.7759999891
9568.9679999778
4712
4139
200
image/jpeg
Image
https://media.jdsports.com/s/jdsports/CW6987_600?$default$$&h=245&w=245&bg=rgb(237,237,237)
9550.9779999848
9821.4900000021
6391
5818
200
image/jpeg
Image
https://media.jdsports.com/s/jdsports/315115_112?$default$$&h=245&w=245&bg=rgb(237,237,237)
9551.163999975
9598.9509999927
4586
4014
200
image/jpeg
Image
https://media.jdsports.com/s/jdsports/315122_111?$default$$&h=245&w=245&bg=rgb(237,237,237)
9551.6249999928
9597.5669999898
4442
3869
200
image/jpeg
Image
https://ui.powerreviews.com/tag-builds/10093/4.0/styles.css
9766.4569999906
9807.8959999839
51833
389756
200
text/css
Stylesheet
https://ui.powerreviews.com/tag-builds/10093/4.0/category.engine.js
9767.7319999784
9798.5999999801
95204
314849
200
application/javascript
Script
https://display.powerreviews.com/m/498704/l/en_US/product/prod797157%2Cprod2770727%2Cprod1370668%2Cprod795980%2Cprod2787175%2Cprod2771647%2Cprod2792663%2Cprod2794458%2Cprod772616%2Cprod2785484/snippet?&apikey=90864d91-f833-41a9-bae3-c27fa4c81aa5
9932.7229999762
10047.525000002
5092
16422
200
application/json
XHR
https://display.powerreviews.com/m/498704/l/en_US/product/prod1810076/snippet?&apikey=90864d91-f833-41a9-bae3-c27fa4c81aa5
10038.233999978
10173.611999984
4964
15621
200
application/json
XHR
https://www.jdsports.com/store/assets/fonts/pr-stars.woff2
10242.673999979
12435.386999976
4140
3096
200
text/plain
Font
https://lib-us-2.brilliantcollector.com/collector/switch/b60d7e230bd04730b235eace4b829240
12590.950999991
12613.572999981
452
0
200
Other
https://lib-us-2.brilliantcollector.com/collector/collectorPost
12591.702999984
12609.862999991
511
0
200
Other
https://beacon.riskified.com/?shop=jdsports.com&sid=AmXnirx5-Rd5MjCkFgyTXE1doB12aNJJsGF_RbadQsQ4W03ZwIoY!833104979!1597317495929_1597317495934
12548.466999986
12624.366000004
11884
38759
200
application/javascript
Script
https://lib-us-2.brilliantcollector.com/collector/switch/b60d7e230bd04730b235eace4b829240
12613.996
12629.994999996
367
1
200
application/json
XHR
https://lib-us-2.brilliantcollector.com/collector/collectorPost
12610.497999995
12641.978
470
38
200
application/json
XHR
https://lib-us-2.brilliantcollector.com/collector/collectorPost
13090.696999978
13130.737999978
630
0
200
Other
https://lib-us-2.brilliantcollector.com/collector/collectorPost
13131.951999996
13178.213999985
512
38
200
application/json
XHR
https://img.riskified.com/img/image-l.gif?t=15973174994900.1473291411223705&c=22321dh653ocx7qfkykurkdsplikj&p=9my07i&a=AmXnirx5-Rd5MjCkFgyTXE1doB12aNJJsGF_RbadQsQ4W03ZwIoY!833104979!1597317495929_1597317495934&o=jdsports.com&rt=1597317498925
13185.033999995
13200.554999989
271
35
200
image/gif
Image
https://img.riskified.com/img/image-l.gif?t=15973174995250.5505501708393223&c=22321dh653ocx7qfkykurkdsplikj&p=9my07i&a=AmXnirx5-Rd5MjCkFgyTXE1doB12aNJJsGF_RbadQsQ4W03ZwIoY!833104979!1597317495929_1597317495934&o=jdsports.com&rt=1597317498925
13217.992999998
13248.047000001
271
35
200
image/gif
Image
https://img.riskified.com/img/image-l.gif?t=15973174995720.2756058490497493&c=22321dh653ocx7qfkykurkdsplikj&p=9my07i&a=AmXnirx5-Rd5MjCkFgyTXE1doB12aNJJsGF_RbadQsQ4W03ZwIoY!833104979!1597317495929_1597317495934&o=jdsports.com&rt=1597317498925
13264.897999994
13280.353999988
271
35
200
image/gif
Image
https://img.riskified.com/img/image-l.gif?t=15973174996090.939680020577945&c=22321dh653ocx7qfkykurkdsplikj&p=9my07i&a=AmXnirx5-Rd5MjCkFgyTXE1doB12aNJJsGF_RbadQsQ4W03ZwIoY!833104979!1597317495929_1597317495934&o=jdsports.com&rt=1597317498925
13302.644999989
13319.221999991
271
35
200
image/gif
Image
https://img.riskified.com/img/image-l.gif?t=15973174996420.500987401007067&c=22321dh653ocx7qfkykurkdsplikj&p=9my07i&a=AmXnirx5-Rd5MjCkFgyTXE1doB12aNJJsGF_RbadQsQ4W03ZwIoY!833104979!1597317495929_1597317495934&o=jdsports.com&rt=1597317498925
13334.86599999
13350.97
271
35
200
image/gif
Image
https://c.riskified.com/client_infos.json
13431.685999996
13490.408999991
575
0
200
text/plain
Other
https://c.riskified.com/client_infos.json
13491.592999984
13510.842999996
518
0
201
text/plain
XHR
https://media.jdsports.com/i/jdsports/JD_052620_Vans_Kids_Slider_Desktop_1213x600_1
13535.424000002
13579.038999975
162442
161868
200
image/jpeg
Image
https://prod-east-alweb-mt.rfksrv.com/rfkj/1/11303-245408735/an?&C=1,uO8AuSxZb2hXl7QI97JAviNAt39Mt35MezAyez4I8ChE8zEyczgRd30UdPcR8yMyp28W8D1z8DQ,&t=1597317499941
13631.817999994
13705.787999992
390
44
200
image/gif
Image
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
2641.449
8.814
2655.683
12.534
2668.232
5.055
2693.982
19.518
2715.097
102.934
2988.949
8.099
3805.596
7.023
5705.629
14.891
5720.583
142.878
5863.489
58.597
5946.916
5.044
5952
33.446
5985.517
688.764
6674.688
7.713
6685.798
10.428
6711.73
33.804
6748.934
35.574
6784.533
60.159
6844.754
47.657
6898.718
404.4
7309.013
15.456
7326.872
85.635
7413.241
58.102
7493.164
21.47
7520.038
67.026
7590.303
6.066
7600.296
10.138
7623.29
100.123
7723.481
45.501
7772.657
11.407
7785.558
17.29
7813.826
5.411
7819.47
8.271
7827.88
28.113
7868.098
8.314
7876.441
27.582
7907.543
28.288
7935.89
36.451
7972.659
29.313
8002.069
25.3
8027.437
27.105
8055.73
9.972
8077.01
6.083
8099.258
12.125
8111.745
6.053
8122.6
27.087
8158.404
51.182
8216.777
22.242
8241.206
75.866
8323.29
17.425
8342.972
22.481
8365.727
19.858
8385.628
29.214
8418.009
13.7
8442.584
51.272
8507.312
14.945
8535.903
10.976
8547.131
7.525
8554.731
14.178
8568.925
16.543
8585.49
10.223
8607.876
10.222
8624.488
17.426
8715.767
6.919
8738.851
81.065
8820.057
8.08
8909.836
8.08
8926.469
66.623
9000.674
69.172
9070.342
11.323
9095.067
46.521
9145.085
24.136
9171.423
52.326
9224.139
9.907
9285.305
69.41
9354.829
229.528
9589.784
15.556
9690.337
28.694
9736.461
5.543
9795.484
5.522
9802.315
5.195
9843.171
18.221
9862.752
33.746
9898.501
207.541
10106.146
15.836
10126.046
132.016
10258.513
18.299
10278.115
11.488
10297.526
24.538
10336.535
5.454
12334.916
15.087
12468.711
200.298
12669.089
23.622
12693.045
25.345
12743.065
383.348
13130.206
30.195
13163.6
20.439
13184.755
6.334
13194.972
14.993
13210.129
6.91
13220.884
9.608
13270.509
8.438
13320.437
9.877
13370.393
8.345
13384.868
67.531
13453.007
7.96
13470.347
6.257
13558.351
6.939
13565.335
6.176
14065.046
34.879
14099.966
8.826
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data

Metrics

First Contentful Paint — 1.3 s
The time taken for the first image or text on the page to be rendered.

Opportunities

Defer offscreen images — Potential savings of 822 KiB
Time to Interactive can be slowed down by resources on the page. Jdsports.com should consider lazy-loading offscreen and hidden images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://media.jdsports.com/i/jdsports/JD_070620_SummerEssentials_HeroCartridge_Desktop_1213x600
124423
124423
https://z1photorankmedia-a.akamaihd.net/media/e/t/q/etqnmn4/normal.jpg
122819
122819
https://photorankmedia-a.akamaihd.net/media/3/w/y/3wypsn4/normal.jpg
91187
91187
https://z3photorankmedia-a.akamaihd.net/media/8/h/w/8hw5uk4/normal.jpg
85352
85352
https://z1photorankmedia-a.akamaihd.net/media/2/i/k/2ik32m4/normal.jpg
83951
83951
https://z1photorankmedia-a.akamaihd.net/media/z/x/b/zxbqmk4/normal.jpg
82960
82960
https://z2photorankmedia-a.akamaihd.net/media/a/2/p/a2p9vk4/normal.jpg
81938
81938
https://photorankmedia-a.akamaihd.net/media/o/o/d/oodwem4/normal.jpg
71707
71707
https://z2photorankmedia-a.akamaihd.net/media/j/s/m/jsmi2m4/normal.jpg
54020
54020
https://www.jdsports.com/store/assets/images/loading-spinner.gif
18811
18811
https://www.jdsports.com/store/assets/images/nav-bg.jpg
12521
11594
https://photorankmedia-a.akamaihd.net/media/7/b/6/7b65tk4/normal.jpg
7422
7422
https://www.jdsports.com/store/assets/images/installments-by-afterpay.png
5630
5630
Remove unused CSS — Potential savings of 148 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Jdsports.com should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://ui.powerreviews.com/tag-builds/10093/4.0/styles.css
51833
51098
https://www.jdsports.com/store/assets/css/0a233f78d7dd938a3a0176d44816c148.app.min.css
49919
45787
https://www.jdsports.com/store/assets/css/4f40793fd757062622add94a0f4853c0.style-guide-jd.min.css
37950
34739
https://photorankstatics-a.akamaihd.net/static/frontend/v3.5.0/build.min.css
19584
19492
Serve images in next-gen formats — Potential savings of 491 KiB
Image formats like PNG and JPEG have poor compression when compared to other next-gen formats, such as JPEG 200, JPEG XR and WebP.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://jdsports.a.bigcontent.io/v1/static/JD_072220_BTS_Desktop_1213x250_v02
277554
253188
https://z1photorankmedia-a.akamaihd.net/media/e/t/q/etqnmn4/normal.jpg
122819
34603
https://jdsports.a.bigcontent.io/v1/static/JD_080120_Klarna_HPBanner_Desktop_1213x250_v06
42237
33009
https://photorankmedia-a.akamaihd.net/media/o/o/d/oodwem4/normal.jpg
71707
31163
https://z2photorankmedia-a.akamaihd.net/media/a/2/p/a2p9vk4/normal.jpg
81938
30676
https://z1photorankmedia-a.akamaihd.net/media/z/x/b/zxbqmk4/normal.jpg
82960
28732
https://photorankmedia-a.akamaihd.net/media/3/w/y/3wypsn4/normal.jpg
91187
26807
https://z3photorankmedia-a.akamaihd.net/media/8/h/w/8hw5uk4/normal.jpg
85352
23526
https://z1photorankmedia-a.akamaihd.net/media/2/i/k/2ik32m4/normal.jpg
83951
21715
https://z2photorankmedia-a.akamaihd.net/media/j/s/m/jsmi2m4/normal.jpg
54020
19650
Avoid multiple page redirects — Potential savings of 340 ms
Redirects can cause additional delays before the page can begin loading. Jdsports.com should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
(Start) http://jdsports.com/
0
https://jdsports.com/
190
https://www.jdsports.com/
150

Diagnostics

Avoid enormous network payloads — Total size was 3,651 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://jdsports.a.bigcontent.io/v1/static/JD_072220_BTS_Desktop_1213x250_v02
278041
https://www.jdsports.com/store/assets/scripts/min/af922cf8d55effac98a39866e4e3c740.app.min.js
182612
https://media.jdsports.com/i/jdsports/JD_052620_Vans_Kids_Slider_Desktop_1213x600_1
162442
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JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://www.jdsports.com/
1038.682
297.121
5.319
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802.035
467.157
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631.329
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365.496
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5.483
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0.501
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190.545
3.03
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Metrics

Speed Index — 6.9 s
The time taken for the page contents to be visibly populated.
Largest Contentful Paint — 3.2 s
The timing of the largest text or image that is painted.
Time to Interactive — 5.7 s
The time taken for the page to become fully interactive.
Total Blocking Time — 970 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Cumulative Layout Shift — 0.829
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

First CPU Idle — 4.8 s
The time taken for the page's main thread to be quiet enough to handle input.
Max Potential First Input Delay — 380 ms
Users could experience a delay when interacting with the page.
First Meaningful Paint — 2.5 s
The time taken for the primary content of the page to be rendered.
Estimated Input Latency — 130 ms
The time taken for the page to respond to user input (during the busiest 5 second window of page load). Users are likely to perceive jdsports.com as laggy when the latency is higher than 0.05 seconds.

Opportunities

Remove unused JavaScript — Potential savings of 834 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
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It is advised to keep the server response time short for the main document, because all other requests depend on it.

Diagnostics

Serve static assets with an efficient cache policy — 80 resources found
Jdsports.com can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
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1296000000
72122
https://z2photorankmedia-a.akamaihd.net/media/j/s/m/jsmi2m4/normal.jpg
1296000000
54584
https://photorankmedia-a.akamaihd.net/media/7/b/6/7b65tk4/normal.jpg
1296000000
7836
https://tags.tiqcdn.com/utag/finishline/jdsports/prod/utag.97.js?utv=ut4.46.201904221930
1296000000
853
Avoid an excessive DOM size — 2,583 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
2,583
Maximum DOM Depth
28
Maximum Child Elements
110
Minimize main-thread work — 5.7 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
3591.071
Style & Layout
1063.165
Other
417.433
Rendering
247.806
Script Parsing & Compilation
148.543
Garbage Collection
138.774
Parse HTML & CSS
135.7
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://www.jdsports.com/store/assets/fonts/Gotham-Book.otf
1050.1099999819
https://www.jdsports.com/store/assets/fonts/Gotham-Bold.otf
2088.4810000134
https://www.jdsports.com/store/assets/fonts/1feba7f4f1111e8786c2def63041921e.FinishLineIconFont.woff
3000
https://www.jdsports.com/store/assets/fonts/pr-stars.woff2
2192.7129999967
Reduce the impact of third-party code — Third-party code blocked the main thread for 650 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
89138
327.657
173828
174.433
1021
39.15
85706
38.042
163171
34.85
14332
17.146
26599
14.909
75268
3.026
852048
0.474
320765
0
171827
0
145707
0
69408
0
48557
0
33767
0
29416
0
21563
0
20820
0
19802
0
16873
0
12031
0
9109
0
4709
0
2723
0
1773
0
1733
0
1675
0
1265
0
971
0
713
0
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
URL Location
https://www.jdsports.com/store/assets/scripts/min/3f33548c9952064759fb272d49ee7cd6.style-guide.min.js
line: 1
https://www.jdsports.com/store/assets/scripts/min/3f33548c9952064759fb272d49ee7cd6.style-guide.min.js
line: 3
Avoid `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
URL Location
https://www.jdsports.com/
line: 422
https://8780770.fls.doubleclick.net/ddm/fls/r/dc_pre=CIGdza6HmOsCFVKfhwodqZgCbw;src=8780770;type=retar0;cat=jdspo0;ord=6540988148901.112;~oref=https://www.jdsports.com/
line: 0
https://sslwidget.criteo.com/event?a=55229&v=5.6.1&p0=e%3Dexd%26site_type%3Dd&p1=e%3Dvh&p2=e%3Ddis&adce=1&tld=jdsports.com&dtycbr=66323
line: 0
77

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of jdsports.com. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
It is advised to not include data elements in tables which are used for layout purposes, as it may create confusion for screen reader and other assistive technology users.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Jdsports.com may provide assistance to deaf or hearing-impaired users with captions on videos.
`<video>` elements contain a `<track>` element with `[kind="description"]`
Jdsports.com may provide relevant information that dialogue cannot, by using audio descriptions.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements

Names and labels

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
Form elements do not have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Failing Elements
Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Best practices

`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.
Failing Elements

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
54

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that jdsports.com should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.

Audits

Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
Zurb
6.4.3
jQuery
2.2.4
jQuery UI
1.10.3
React
Underscore
1.9.1
Moment.js
2.24.0
Moment Timezone
0.5.23
boomerang.js
1.571.0
core-js
2.6.11: pure, 3.0.0: pure, 2.6.9: global
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://jdsports.com/
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Includes front-end JavaScript libraries with known security vulnerabilities — 5 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
4
Medium
1
High

Audits

Displays images with incorrect aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
URL Aspect Ratio (Displayed) Aspect Ratio (Actual)
https://www.jdsports.com/store/assets/images/loading-spinner.gif
150 x 66 (2.27)
66 x 66 (1.00)
https://www.jdsports.com/store/assets/images/loading-spinner.gif
100 x 66 (1.52)
66 x 66 (1.00)

Audits

Page lacks the HTML doctype, thus triggering quirks-mode
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.

Audits

Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
URL Description
https://script.crazyegg.com/pages/scripts/0032/7943.js
Failed to load resource: the server responded with a status of 403 (Forbidden)
55

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for jdsports.com. This includes optimizations such as providing meta data.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Mobile Friendly

Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Mobile Friendly

Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of jdsports.com on mobile screens.

Content Best Practices

Document does not have a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links do not have descriptive text — 7 links found
Make use of descriptive link text to assist search engines in understanding the content.
Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img

Crawling and Indexing

Links are not crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
11

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of jdsports.com. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Contains some content when JavaScript is not available
Apps should display alternative content for when JavaScript is disabled.

Fast and reliable

Page load is not fast enough on mobile networks — Interactive on simulated mobile network at 28.0 s
Ensure that the page loads fast enough over a cellular network, to ensure good mobile user experience.
Current page does not respond with a 200 when offline
In order for Progressive Web Apps to be made available offline, ensure that the app is using a service worker.
`start_url` does not respond with a 200 when offline
Consider using a service worker for Progressive Web Apps to ensure greater reliability for the user, in the case of poor network conditions.

Installable

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://jdsports.com/
Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Web app manifest does not meet the installability requirements
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
View Data

PWA Optimized

Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of jdsports.com on mobile screens.
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Avg. (All Categories) 45
Performance 4
Accessibility 77
Best Practices 54
SEO 46
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://www.jdsports.com/
Updated: 13th August, 2020

2.30 seconds
First Contentful Paint (FCP)
39%
45%
16%

0.08 seconds
First Input Delay (FID)
79%
14%
7%

Simulate loading on mobile
4

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for jdsports.com. This includes details about optimizing page load times which can result in a better user experience.

Opportunities

Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Jdsports.com should consider minifying CSS files.
Minify JavaScript — Potential savings of 2 KiB
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Jdsports.com should consider minifying JS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://sdk-cdn.optimove.net/webconfig/1f4806e0e92dd49a1de402594f1d60b61a25f48538691dc0493a9eb271b9f5f3/jdsports.1.0.0.js
5471
2094
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Jdsports.com should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.

Diagnostics

Avoid chaining critical requests — 19 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Jdsports.com should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures — 1 user timing
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Name Type Start Time (Ms) Duration (Ms)
optimizely:blockBegin
Mark
2718.624
Keep request counts low and transfer sizes small — 174 requests • 3,498 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
174
3581996
Script
51
1790465
Image
63
1364018
Font
4
165951
Stylesheet
6
162374
Other
43
59327
Document
7
39861
Media
0
0
Third-party
130
2459527
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Avoid large layout shifts — 5 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
0.76504445030748
0.25305339100739
0.13806755743506
0.037337372934982
0.037337372934982
Avoid long main-thread tasks — 20 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://code.jquery.com/jquery-1.11.3.min.js
26061
1022
https://tags.tiqcdn.com/utag/finishline/jdsports/prod/utag.js
19084
956
https://www.res-x.com/ws/r2/Resonance.aspx?appid=jdsports02&tk=165523226675722&ss=289380130884381&sg=1&pg=382158876219251&vr=5.10x&bx=true&sc=homepage1_rr&no=20&afterpay=&ccb=certonaRecommendations&ur=https%3A%2F%2Fwww.jdsports.com%2F&plk=&rf=
30931
462
https://www.jdsports.com/public/31e3c3ab3no257ea9fb448090fbdd83
27083
455
https://ui.powerreviews.com/tag-builds/10093/4.0/ui.engine.js
32173
427
https://cdn.optimizely.com/js/14099730164.js
18732
352
https://cdn.optimizely.com/js/14099730164.js
7320
302
https://www.googletagmanager.com/gtag/js?id=DC-4458652
12030
302
https://ui.powerreviews.com/tag-builds/10093/4.0/ui.engine.js
20190
255
https://cdn.dynamicyield.com/api/8772795/api_dynamic.js
7640
242
https://cdn.dynamicyield.com/scripts/12382/dy-coll-nojq-min.js
10830
238
https://www.res-x.com/ws/r2/Resonance.aspx?appid=jdsports02&tk=165523226675722&ss=289380130884381&sg=1&pg=382158876219251&vr=5.10x&bx=true&sc=homepage1_rr&no=20&afterpay=&ccb=certonaRecommendations&ur=https%3A%2F%2Fwww.jdsports.com%2F&plk=&rf=
30750
181
https://beacon.riskified.com/?shop=jdsports.com&sid=85TnjHSstHd0L1B6NwzenrQBcB0FkxlNMmQvv8w6FaKf-u6rRUI8!177819750!1597317608620_1597317608627
25890
171
https://connect.facebook.net/signals/config/1076491922511074?v=2.9.23&r=stable
20970
152
https://www.jdsports.com/public/31e3c3ab3no257ea9fb448090fbdd83
27627
146
https://d26opx5dl8t69i.cloudfront.net/js/reflektion.js?t=887378
7882
141
https://tags.tiqcdn.com/utag/finishline/jdsports/prod/utag.js
10080
121
https://photorankstatics-a.akamaihd.net/81b03e40475846d5883661ff57b34ece/static/frontend/latest/build.min.js
10201
116
https://photorankstatics-a.akamaihd.net/81b03e40475846d5883661ff57b34ece/static/frontend/latest/build.min.js
10471
114
https://www.googletagmanager.com/gtag/js?id=AW-782143343&l=dataLayer&cx=c
18630
102

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Other

Network Requests
Below is a list of network requests that were made during page load.
URL Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://jdsports.com/
0
326.51000004262
520
0
301
https://jdsports.com/
326.95499993861
439.50300011784
381
0
301
https://www.jdsports.com/
439.76400000975
2640.4250001069
29673
145330
200
text/html
Document
https://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js
2656.0400000308
2684.1980000027
29416
83606
200
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13789.168999996
13805.664000101
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Image
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13822.477000067
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Image
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Image
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https://c.riskified.com/client_infos.json
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Other
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XHR
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
2669.1
7.972
2680.73
6.256
2717.399
14.262
2733.319
75.58
2899.111
6.841
4834.238
13.351
4847.923
6.53
5782.574
121.146
5903.812
13.859
5939.181
15.915
5957.309
29.067
5986.442
6.721
5993.189
510.941
6504.304
23.825
6530.292
20.54
6551.832
6.778
6558.647
5.851
6576.718
70.694
6649.273
5.616
6657.379
227.474
6887.906
15.285
6903.837
5.022
6908.874
7.081
6919.161
14.407
6943.025
6.497
6955.464
6.908
6964.925
30.219
6995.761
46.681
7046.303
33.98
7083.828
7.344
7091.939
9.385
7105.181
59.53
7164.785
5.289
7171.42
22.269
7196.512
9.507
7206.434
32.129
7251.995
73.065
7325.701
23.523
7352.885
9.053
7362.072
75.624
7437.748
18.076
7455.878
20.946
7481.305
17.704
7502.604
20.971
7526.61
6.923
7535.697
36.438
7579.225
5.938
7586.92
15.9
7603.498
7.267
7619.654
21.178
7640.9
6.818
7652.557
6.409
7660.589
10.606
7676.702
16.261
7692.988
15.159
7708.222
25.467
7738.54
37.891
7782.457
5.875
7797.184
7.211
7806.329
8.369
7816.408
5.983
7824.821
10.54
7835.373
9.567
7844.959
6.447
7870.03
57.079
7929.9
5.07
8026.75
17.773
8045.108
35.791
8085.718
39.919
8131.789
6.497
8277.229
5.204
8697.428
5.806
8747.355
13.389
8760.79
18.761
8783.454
36.098
8819.572
5.328
8826.51
63.864
9135.546
5.142
9491.967
6.611
9646.313
90.637
9737.034
5.912
9942.172
115.459
10063.244
106.665
10171.046
21.243
10194.154
19.659
10213.839
11.576
10228.552
5.095
11135.637
5.128
12075.394
16.618
13230.603
176.131
13406.808
11.493
13418.71
6.375
13427.599
6.152
13446.934
238.9
13691.374
19.713
13715.461
7.841
13727.082
5.839
13743.505
16.312
13762.079
5.768
13801.949
5.45
13851.456
5.704
13901.518
6.718
13942.52
19.223
14021.417
42.768
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data

Opportunities

Eliminate render-blocking resources — Potential savings of 690 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Jdsports.com should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://www.jdsports.com/store/assets/css/0a233f78d7dd938a3a0176d44816c148.app.min.css
49880
2130
https://www.jdsports.com/store/assets/css/amplience-sdk-client.min.css
1260
480
https://www.jdsports.com/store/assets/css/4f40793fd757062622add94a0f4853c0.style-guide-jd.min.css
37950
1830
Properly size images — Potential savings of 90 KiB
Images can slow down the page's load time. Jdsports.com should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://media.jdsports.com/i/jdsports/JD_080420_SupplyandDemand_Homepage-Tile_601x736
86980
47543
https://media.jdsports.com/i/jdsports/FNL_080320_JD_Champion_Tile_Cartridge_601x736
61719
33735
https://media.jdsports.com/i/jdsports/JD_071720_BtS_W-Clothing_HPMid_Desktop_435x435_v01
31501
4296
https://media.jdsports.com/i/jdsports/JD_071720_BtS_K-Clothing_HPMid_Desktop_435x435_v01
27847
3798
https://media.jdsports.com/i/jdsports/JD_071720_BtS_M-Clothing_HPMid_Desktop_435x435_v02
24148
3293
Remove unused CSS — Potential savings of 149 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Jdsports.com should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://ui.powerreviews.com/tag-builds/10093/4.0/styles.css
51833
51098
https://www.jdsports.com/store/assets/css/0a233f78d7dd938a3a0176d44816c148.app.min.css
49880
46330
https://www.jdsports.com/store/assets/css/4f40793fd757062622add94a0f4853c0.style-guide-jd.min.css
37950
35259
https://photorankstatics-a.akamaihd.net/static/frontend/v3.5.0/build.min.css
19583
19491
Efficiently encode images — Potential savings of 17 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://jdsports.a.bigcontent.io/v1/static/JD_080120_Klarna_HPBanner_Mobile_613x200_v04
35039
16905
Enable text compression — Potential savings of 49 KiB
Text-based resources should be served with compression, such as gzip, deflate or brotli.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://intljs.rmtag.com/117995.ct.js
68848
46475
https://static.powerreviews.com/t/v1/tracker.js
6270
3489

Diagnostics

Avoid enormous network payloads — Total size was 3,498 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://ui.powerreviews.com/tag-builds/10093/4.0/ui.engine.js
214053
https://www.jdsports.com/store/assets/scripts/min/af922cf8d55effac98a39866e4e3c740.app.min.js
182612
https://jdsports.a.bigcontent.io/v1/static/JD_072220_BTS_Mobile_600x200_v02
137576
https://connect.facebook.net/signals/config/1076491922511074?v=2.9.23&r=stable
135507
https://z1photorankmedia-a.akamaihd.net/media/e/t/q/etqnmn4/normal.jpg
123384
https://photorankstatics-a.akamaihd.net/81b03e40475846d5883661ff57b34ece/static/frontend/latest/build.min.js
119523
https://www.jdsports.com/store/assets/scripts/min/3f33548c9952064759fb272d49ee7cd6.style-guide.min.js
93134
https://photorankmedia-a.akamaihd.net/media/3/w/y/3wypsn4/normal.jpg
91751
https://media.jdsports.com/i/jdsports/JD_080420_SupplyandDemand_Homepage-Tile_601x736
87552
https://tags.tiqcdn.com/utag/finishline/jdsports/prod/utag.js
87545

Metrics

First Contentful Paint — 5.3 s
The time taken for the first image or text on the page to be rendered.
Speed Index — 19.8 s
The time taken for the page contents to be visibly populated.
Largest Contentful Paint — 13.6 s
The timing of the largest text or image that is painted.
Time to Interactive — 27.6 s
The time taken for the page to become fully interactive.
Total Blocking Time — 4,500 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Cumulative Layout Shift — 1.254
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

First CPU Idle — 22.6 s
The time taken for the page's main thread to be quiet enough to handle input.
Max Potential First Input Delay — 1,020 ms
Users could experience a delay when interacting with the page.
First Meaningful Paint — 10.7 s
The time taken for the primary content of the page to be rendered.
Estimated Input Latency — 430 ms
The time taken for the page to respond to user input (during the busiest 5 second window of page load). Users are likely to perceive jdsports.com as laggy when the latency is higher than 0.05 seconds.
First Contentful Paint (3G) — 10757 ms
The time taken for the first image or text on the page to be rendered while on a 3G network.

Opportunities

Defer offscreen images — Potential savings of 726 KiB
Time to Interactive can be slowed down by resources on the page. Jdsports.com should consider lazy-loading offscreen and hidden images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://z1photorankmedia-a.akamaihd.net/media/e/t/q/etqnmn4/normal.jpg
122819
118669
https://photorankmedia-a.akamaihd.net/media/3/w/y/3wypsn4/normal.jpg
91187
91187
https://z3photorankmedia-a.akamaihd.net/media/8/h/w/8hw5uk4/normal.jpg
85352
84237
https://z1photorankmedia-a.akamaihd.net/media/2/i/k/2ik32m4/normal.jpg
83951
83951
https://z1photorankmedia-a.akamaihd.net/media/z/x/b/zxbqmk4/normal.jpg
82960
82960
https://z2photorankmedia-a.akamaihd.net/media/a/2/p/a2p9vk4/normal.jpg
81938
81938
https://photorankmedia-a.akamaihd.net/media/o/o/d/oodwem4/normal.jpg
71707
66344
https://z2photorankmedia-a.akamaihd.net/media/j/s/m/jsmi2m4/normal.jpg
54020
54020
https://www.jdsports.com/store/assets/images/loading-spinner.gif
18811
18811
https://media.jdsports.com/s/jdsports/CW5642_100?$default$$&$global_access_grid$&layer0=[h=245&w=245&bg=rgb(237,237,237)]&h=245&w=245&bg=rgb(237,237,237)
7483
7483
https://photorankmedia-a.akamaihd.net/media/7/b/6/7b65tk4/normal.jpg
7422
7422
https://media.jdsports.com/s/jdsports/BQ5238_001?$default$$&h=245&w=245&bg=rgb(237,237,237)
5852
5852
https://media.jdsports.com/s/jdsports/CW5588_001?$default$$&h=245&w=245&bg=rgb(237,237,237)
5816
5816
https://media.jdsports.com/s/jdsports/FY1148_100?$default$$&h=245&w=245&bg=rgb(237,237,237)
5676
5676
https://www.jdsports.com/store/assets/images/installments-by-afterpay.png
5630
5630
https://media.jdsports.com/s/jdsports/749760_012?$default$$&h=245&w=245&bg=rgb(237,237,237)
5293
5293
https://media.jdsports.com/s/jdsports/CV1634_001?$default$$&h=245&w=245&bg=rgb(237,237,237)
5242
5242
https://media.jdsports.com/s/jdsports/315115_112?$default$$&h=245&w=245&bg=rgb(237,237,237)
4014
4014
https://media.jdsports.com/s/jdsports/315122_111?$default$$&h=245&w=245&bg=rgb(237,237,237)
3869
3869
https://media.jdsports.com/s/jdsports/BQ4626_100?$default$$&h=245&w=245&bg=rgb(237,237,237)
2365
2365
https://media.jdsports.com/i/jdsports/jd-sports-logo-2x
2272
2272
Remove unused JavaScript — Potential savings of 931 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.jdsports.com/store/assets/scripts/min/af922cf8d55effac98a39866e4e3c740.app.min.js
182612
155699
https://ui.powerreviews.com/tag-builds/10093/4.0/ui.engine.js
214053
150430
https://connect.facebook.net/signals/config/1076491922511074?v=2.9.23&r=stable
135507
116495
https://photorankstatics-a.akamaihd.net/81b03e40475846d5883661ff57b34ece/static/frontend/latest/build.min.js
119523
58553
https://cdn.dynamicyield.com/api/8772795/api_static.js
81335
47129
https://www.jdsports.com/store/assets/scripts/min/3f33548c9952064759fb272d49ee7cd6.style-guide.min.js
93134
47055
https://cdn.optimizely.com/js/14099730164.js
83770
42307
https://x.klarnacdn.net/kp/lib/v1/api.js
50572
39346
https://www.jdsports.com/store/assets/scripts/min/d77a4ae0e170dd2401abf41281cb5a6f.vendor.min.js
45549
34346
https://cdn.dynamicyield.com/scripts/12382/dy-coll-nojq-min.js
49919
31289
https://d26opx5dl8t69i.cloudfront.net/js/reflektion.js?t=887378
41204
29616
https://tags.tiqcdn.com/utag/finishline/jdsports/prod/utag.js
87545
27471
https://code.jquery.com/jquery-1.11.3.min.js
33767
23554
https://intljs.rmtag.com/117995.ct.js
69408
23126
https://s.go-mpulse.net/boomerang/Q537A-47NEF-FM4LL-AUKH7-PWYY4
48230
22503
https://d26opx5dl8t69i.cloudfront.net/js/jquery-3.4.1.m.1588889810.js
34064
21391
https://www.googletagmanager.com/gtag/js?id=AW-780985525&l=dataLayer&cx=c
36441
20801
https://www.googletagmanager.com/gtag/js?id=AW-782143343&l=dataLayer&cx=c
36440
20801
https://www.googletagmanager.com/gtag/js?id=AW-976781343&l=dataLayer&cx=c
36441
20776
https://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js
29416
20678
Serve images in next-gen formats — Potential savings of 356 KiB
Image formats like PNG and JPEG have poor compression when compared to other next-gen formats, such as JPEG 200, JPEG XR and WebP.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://jdsports.a.bigcontent.io/v1/static/JD_072220_BTS_Mobile_600x200_v02
137089
120641
https://z1photorankmedia-a.akamaihd.net/media/e/t/q/etqnmn4/normal.jpg
122819
34603
https://photorankmedia-a.akamaihd.net/media/o/o/d/oodwem4/normal.jpg
71707
31163
https://z2photorankmedia-a.akamaihd.net/media/a/2/p/a2p9vk4/normal.jpg
81938
30676
https://z1photorankmedia-a.akamaihd.net/media/z/x/b/zxbqmk4/normal.jpg
82960
28732
https://jdsports.a.bigcontent.io/v1/static/JD_080120_Klarna_HPBanner_Mobile_613x200_v04
35039
27087
https://photorankmedia-a.akamaihd.net/media/3/w/y/3wypsn4/normal.jpg
91187
26807
https://z3photorankmedia-a.akamaihd.net/media/8/h/w/8hw5uk4/normal.jpg
85352
23526
https://z1photorankmedia-a.akamaihd.net/media/2/i/k/2ik32m4/normal.jpg
83951
21715
https://z2photorankmedia-a.akamaihd.net/media/j/s/m/jsmi2m4/normal.jpg
54020
19650
Reduce initial server response time — Root document took 2,200 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
Avoid multiple page redirects — Potential savings of 1,110 ms
Redirects can cause additional delays before the page can begin loading. Jdsports.com should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
(Start) http://jdsports.com/
0
https://jdsports.com/
630
https://www.jdsports.com/
480

Diagnostics

Serve static assets with an efficient cache policy — 86 resources found
Jdsports.com can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://cdn.dynamicyield.com/scripts/12382/dy-coll-nojq-min.js
0
49919
https://beacon.riskified.com/?shop=jdsports.com&sid=85TnjHSstHd0L1B6NwzenrQBcB0FkxlNMmQvv8w6FaKf-u6rRUI8!177819750!1597317608620_1597317608627
0
11886
https://static.powerreviews.com/t/v1/tracker.js
0
6746
https://ut.ra.linksynergy.com/jsp?cn=rmuid&ro=0&cb=___rmuid
0
747
https://tags.rd.linksynergy.com/cs?ns=lr&uid3=154d9d18e6d0a246a9ef5b9472536a0c757bffaefb2fcd404f5841669eca10026ac34734d8e453ee
0
474
https://prod-east-alweb-mt.rfksrv.com/rfkj/1/11303-245408735/an?&C=1,uO8AuSxZb2hXl7QI97JAviNAt39Mt35Mez4MaO8WciMyp6wyey8Od3kQc3wTcPkyb29A8zEyrmZyqmNB8DQ,&t=1597317615105
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https://static.criteo.net/js/ld/ld.js
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Avoid an excessive DOM size — 2,569 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
2,569
Maximum DOM Depth
27
Maximum Child Elements
112
Reduce JavaScript execution time — 10.9 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://www.jdsports.com/
2645.06
1015.184
20.312
https://www.jdsports.com/store/assets/scripts/min/3f33548c9952064759fb272d49ee7cd6.style-guide.min.js
1842.928
1092.928
20.04
https://s.go-mpulse.net/boomerang/Q537A-47NEF-FM4LL-AUKH7-PWYY4
1719.768
863.132
16.636
https://tags.tiqcdn.com/utag/finishline/jdsports/prod/utag.js
1644.396
1579.544
22.764
https://www.res-x.com/ws/r2/Resonance.aspx?appid=jdsports02&tk=165523226675722&ss=289380130884381&sg=1&pg=382158876219251&vr=5.10x&bx=true&sc=homepage1_rr&no=20&afterpay=&ccb=certonaRecommendations&ur=https%3A%2F%2Fwww.jdsports.com%2F&plk=&rf=
1343.876
1253.748
1.244
Unattributable
889.388
25.724
0.772
https://photorankstatics-a.akamaihd.net/81b03e40475846d5883661ff57b34ece/static/frontend/latest/build.min.js
738.908
557.092
23.808
https://www.jdsports.com/public/31e3c3ab3no257ea9fb448090fbdd83
704.304
547.656
6.5
https://www.jdsports.com/store/assets/scripts/min/af922cf8d55effac98a39866e4e3c740.app.min.js
538.468
435.76
53.536
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532.16
433.648
10.424
https://d26opx5dl8t69i.cloudfront.net/js/reflektion.js?t=887378
456.696
229.42
7.192
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378.192
327.712
30.724
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287.16
270.652
4.468
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276.908
233.18
17.332
https://ui.powerreviews.com/tag-builds/10093/4.0/ui.engine.js
274.512
172.728
44.852
https://www.googletagmanager.com/gtag/js?id=DC-4458652
262.04
47.908
18.644
https://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js
245.872
61.684
7.428
https://connect.facebook.net/signals/config/1076491922511074?v=2.9.23&r=stable
172.38
119.896
40.016
https://www.googletagmanager.com/gtag/js?id=AW-782143343&l=dataLayer&cx=c
124.564
112.34
9.764
https://intljs.rmtag.com/117995.ct.js
123.94
115.048
4.464
https://ui.powerreviews.com/stable/4.0/ui.js
122.788
63.984
6.984
https://static.criteo.net/js/ld/ld.js
115.74
105.068
8.26
https://code.jquery.com/jquery-1.11.3.min.js
103.872
51.748
6.624
https://3ghkdan3.micpn.com/p/js/1.js
102.456
87.444
5.956
https://www.google-analytics.com/analytics.js
94.576
84.904
5.604
https://www.googletagmanager.com/gtag/js?id=AW-976781343&l=dataLayer&cx=c
93.04
80.72
9.408
https://www.googletagmanager.com/gtag/js?id=AW-780985525&l=dataLayer&cx=c
83.32
72.64
7.648
https://connect.facebook.net/en_US/fbevents.js
69.076
52.84
11.588
https://www.jdsports.com/store/assets/scripts/min/d77a4ae0e170dd2401abf41281cb5a6f.vendor.min.js
68.004
54.98
8.92
https://d26opx5dl8t69i.cloudfront.net/js/jquery-3.4.1.m.1588889810.js
67.336
53.956
6.48
https://sdk-cdn.optimove.net/websdk/sdk-v1.0.7.js
66.36
57.896
2.68
https://8780770.fls.doubleclick.net/ddm/fls/r/src=8780770;type=retar0;cat=jdspo0;ord=1134674378888.6494;~oref=https://www.jdsports.com/
64.6
31.684
4.472
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64.268
53.736
10.532
https://cdn.dynamicyield.com/api/8772795/api_dynamic.js
59.564
46.06
12.372
https://www.googleadservices.com/pagead/conversion_async.js
53.668
26.268
23.536
https://ui.powerreviews.com/tag-builds/10093/4.0/styles.css
53.556
0
0
https://www.jdsports.com/store/assets/css/0a233f78d7dd938a3a0176d44816c148.app.min.css
53.404
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51.628
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Minimize main-thread work — 17.0 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
10644.016
Style & Layout
2406.904
Other
1833.312
Rendering
743.85200000005
Script Parsing & Compilation
559.548
Parse HTML & CSS
423.208
Garbage Collection
392.424
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://www.jdsports.com/store/assets/fonts/1feba7f4f1111e8786c2def63041921e.FinishLineIconFont.woff
1142.0469998848
https://www.jdsports.com/store/assets/fonts/Gotham-Book.otf
1028.4390000161
https://www.jdsports.com/store/assets/fonts/Gotham-Bold.otf
1033.4330000915
https://www.jdsports.com/store/assets/fonts/pr-stars.woff2
3000
Reduce the impact of third-party code — Third-party code blocked the main thread for 3,310 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
89139
1053.536
1021
747.176
163183
257.268
49128
237.7
85705
196.04
145707
176.504
852047
153.048
75268
137.588
292677
120.692
14334
119.828
171827
47.844
21562
30.136
17660
20.024
29416
10.128
69408
1.708
173102
0
33767
0
26030
0
20731
0
19881
0
16915
0
9109
0
4709
0
2775
0
1925
0
1868
0
1734
0
1293
0
1265
0
713
0
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
URL Location
https://www.jdsports.com/store/assets/scripts/min/3f33548c9952064759fb272d49ee7cd6.style-guide.min.js
line: 1
https://www.jdsports.com/store/assets/scripts/min/3f33548c9952064759fb272d49ee7cd6.style-guide.min.js
line: 3
https://photorankstatics-a.akamaihd.net/81b03e40475846d5883661ff57b34ece/static/frontend/latest/build.min.js
line: 1
Avoid `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
URL Location
https://www.jdsports.com/
line: 422
https://8780770.fls.doubleclick.net/ddm/fls/r/src=8780770;type=retar0;cat=jdspo0;ord=1134674378888.6494;~oref=https://www.jdsports.com/
line: 0
https://sslwidget.criteo.com/event?a=55229&v=5.6.1&p0=e%3Dexd%26site_type%3Dd&p1=e%3Dvh&p2=e%3Ddis&adce=1&tld=jdsports.com&dtycbr=98372
line: 0
77

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of jdsports.com. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
It is advised to not include data elements in tables which are used for layout purposes, as it may create confusion for screen reader and other assistive technology users.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Jdsports.com may provide assistance to deaf or hearing-impaired users with captions on videos.
`<video>` elements contain a `<track>` element with `[kind="description"]`
Jdsports.com may provide relevant information that dialogue cannot, by using audio descriptions.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements

Names and labels

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
Form elements do not have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Failing Elements
Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Best practices

`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.
Failing Elements

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
54

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that jdsports.com should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.

Audits

Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
Zurb
6.4.3
jQuery
2.2.4
jQuery UI
1.10.3
React
Underscore
1.9.1
Moment.js
2.24.0
Moment Timezone
0.5.23
boomerang.js
1.571.0
core-js
2.6.11: pure, 3.0.0: pure, 2.6.9: global
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://jdsports.com/
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Includes front-end JavaScript libraries with known security vulnerabilities — 5 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
4
Medium
1
High

Audits

Displays images with incorrect aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
URL Aspect Ratio (Displayed) Aspect Ratio (Actual)
https://www.jdsports.com/store/assets/images/loading-spinner.gif
150 x 66 (2.27)
66 x 66 (1.00)
https://www.jdsports.com/store/assets/images/loading-spinner.gif
100 x 66 (1.52)
66 x 66 (1.00)

Audits

Page lacks the HTML doctype, thus triggering quirks-mode
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.

Audits

Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
URL Description
https://17d0991b.akstat.io/
Failed to load resource: net::ERR_BLOCKED_BY_CLIENT.Inspector
https://script.crazyegg.com/pages/scripts/0032/7943.js
Failed to load resource: the server responded with a status of 403 (Forbidden)
46

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for jdsports.com. This includes optimizations such as providing meta data.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Mobile Friendly

Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of jdsports.com on mobile screens.
Document doesn't use legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are not sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document does not have a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links do not have descriptive text — 7 links found
Make use of descriptive link text to assist search engines in understanding the content.
Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img

Crawling and Indexing

Links are not crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
Hosting

Server Location

Server IP Address: 184.28.45.170
Continent: North America
Country: United States
United States Flag
Region:
City:
Longitude: -97.822
Latitude: 37.751
Currencies: USD
USN
USS
Languages: English

Web Hosting Provider

Name IP Address
Akamai Technologies, Inc.
Registration

Domain Registrant

Private Registration: Yes
Name: REDACTED FOR PRIVACY
Organization: JD Sports Fashion plc
Country: GB
City: REDACTED FOR PRIVACY
State: Lancashire
Post Code: REDACTED FOR PRIVACY
Email: whoiscontact@names.co.uk
Phone: REDACTED.FORPRIVACY
Note: Registration information is derived from various sources and may be inaccurate.

Domain Registrar

Name IP Address
REGISTER S.P.A. 81.88.58.193
Security

Visitor Safety

Mature Content: Not Likely
McAfee WebAdvisor Rating: Safe
WOT Rating:
WOT Trustworthiness:
WOT Child Safety:
Note: Safety information is not guaranteed.

SSL/TLS Certificate

Issued To: www.jdsports.com
Issued By: DigiCert SHA2 Secure Server CA
Valid From: 4th February, 2020
Valid To: 5th May, 2021
Subject: CN = www.jdsports.com
O = JD Sports Fashion Plc
L = Bury
S = GB
Hash: a8766c85
Issuer: CN = DigiCert SHA2 Secure Server CA
O = DigiCert Inc
S = US
Version: 2
Serial Number: 16087267926580096731016222384668256412
Serial Number (Hex): 0C1A4B8BD3553329DBA0AAC56E1BA89C
Valid From: 4th February, 2024
Valid To: 5th May, 2024
Signature Algorithm (Short Name): RSA-SHA256
Signature Algorithm (Long Name): sha256WithRSAEncryption
Authority Key Identifier: keyid:0F:80:61:1C:82:31:61:D5:2F:28:E7:8D:46:38:B4:2C:E1:C6:D9:E2
Extended Key Usage: TLS Web Server Authentication, TLS Web Client Authentication
CRL Distribution Points:
Full Name:
URI:http://crl3.digicert.com/ssca-sha2-g6.crl

Full Name:
URI:http://crl4.digicert.com/ssca-sha2-g6.crl

Certificate Policies: Policy: 2.16.840.1.114412.1.1
CPS: https://www.digicert.com/CPS
Policy: 2.23.140.1.2.2

Authority Information Access: OCSP - URI:http://ocsp.digicert.com
CA Issuers - URI:http://cacerts.digicert.com/DigiCertSHA2SecureServerCA.crt

SCT List: Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : F6:5C:94:2F:D1:77:30:22:14:54:18:08:30:94:56:8E:
E3:4D:13:19:33:BF:DF:0C:2F:20:0B:CC:4E:F1:64:E3
Timestamp : Feb 4 20:08:23.860 2020 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:70:3E:4B:7A:BD:CA:5D:FE:B7:94:63:D2:
0C:4D:8D:E7:DD:B8:8B:1B:05:49:7C:F4:F0:A7:FD:C5:
AC:F9:A5:26:02:20:32:4C:DC:32:79:39:91:29:6E:53:
BA:BD:4B:A3:C5:47:A8:C4:BA:2B:95:34:2A:20:CD:B1:
67:E3:3F:AA:31:68
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 5C:DC:43:92:FE:E6:AB:45:44:B1:5E:9A:D4:56:E6:10:
37:FB:D5:FA:47:DC:A1:73:94:B2:5E:E6:F6:C7:0E:CA
Timestamp : Feb 4 20:08:23.948 2020 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:ED:66:C9:2A:B7:1E:83:1E:C7:81:13:
6F:D9:66:D6:73:F9:06:D0:74:66:E7:9B:31:B8:8D:B8:
B5:AA:4A:7F:31:02:20:4F:97:62:62:AA:67:C7:1A:9C:
66:E1:55:23:A1:A3:5C:B1:D7:9D:6D:E1:58:81:D2:BB:
2E:60:A3:DF:E6:40:35
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 44:94:65:2E:B0:EE:CE:AF:C4:40:07:D8:A8:FE:28:C0:
DA:E6:82:BE:D8:CB:31:B5:3F:D3:33:96:B5:B6:81:A8
Timestamp : Feb 4 20:08:23.810 2020 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:75:D6:44:C2:E9:5F:48:A7:50:D6:BF:14:
A4:B6:77:6E:9C:FD:07:54:3A:91:80:A5:3F:BD:CD:03:
1E:0A:B8:DC:02:21:00:A7:DF:CE:6C:AC:CF:BE:8F:EA:
44:B8:BD:08:5F:3D:21:11:9A:44:A7:FC:6C:22:57:B5:
10:07:FC:D8:36:F9:6F
Key Usage: Digital Signature, Key Encipherment
Basic Constraints: CA:FALSE
Subject Alternative Name: DNS:images.jdsports.com
DNS:jdsports.com
DNS:kiosk.jdsports.com
DNS:m.jdsports.com
DNS:media.jdsports.com
DNS:prod-aka-blue.jdsports.com
DNS:prod-aka-green.jdsports.com
DNS:prod-aka.jdsports.com
DNS:prod-mobile-aka.jdsports.com
DNS:prodmobloy2.jdsports.com
DNS:www.jdsports.com
Technical

DNS Lookup

A Records

Host IP Address Class TTL
jdsports.com. 23.201.77.242 IN 19

NS Records

Host Nameserver Class TTL
jdsports.com. a4-65.akam.net. IN 7199
jdsports.com. a14-67.akam.net. IN 7199
jdsports.com. a20-64.akam.net. IN 7199
jdsports.com. a1-160.akam.net. IN 7199
jdsports.com. a9-67.akam.net. IN 7199
jdsports.com. a7-66.akam.net. IN 7199

MX Records

Priority Host Server Class TTL
10 jdsports.com. mxb-00158f01.gslb.pphosted.com. IN 7199
10 jdsports.com. mxa-00158f01.gslb.pphosted.com. IN 7199

SOA Records

Domain Name Primary NS Responsible Email TTL
jdsports.com. a1-160.akam.net. mct.support.jdplc.com. 21599

TXT Records

Host Value Class TTL
jdsports.com. v=spf1 IN 7199
jdsports.com. cS4A7wJ/YNnrMjfjGAYB+BqEdQRjuyZyxmMyddBOdDM= IN 7199
jdsports.com. MS=ms52333184 IN 7199
jdsports.com. 201805100913042f107a3hfontpld9scrfd8eginnj31fo4nrurhdflw1fehcux2 IN 7199
jdsports.com. google-site-verification=1DbjlrAKrZpcr3W4VjJkCjPpsOG4TDaxF4JVHjNqaeY IN 7199
jdsports.com. google-site-verification=ptjrV12VFgT4KpeJJziho6RSSkzn-bMttd7Afgitsyk IN 7199

HTTP Response Headers

HTTP-Code: HTTP/1.1 403 Forbidden
Server: AkamaiGHost
Content-Type: text/html
Cache-Control: max-age=3600
Expires: 21st August, 2020
Date: 21st August, 2020
Mime-Version: 1.0
Content-Length: 266
Connection: close
X-Akam-SW-Version: 0.5.0
Set-Cookie: *
Strict-Transport-Security: max-age=31536000

Whois Lookup

Created: 11th May, 2010
Changed: 3rd February, 2020
Expires: 24th March, 2021
Registrar: REGISTER S.P.A.
Status: clientDeleteProhibited
clientTransferProhibited
clientUpdateProhibited
Nameservers: a1-160.akam.net
a14-67.akam.net
a20-64.akam.net
a4-65.akam.net
a7-66.akam.net
a9-67.akam.net
Owner Name: REDACTED FOR PRIVACY
Owner Organization: JD Sports Fashion plc
Owner Street: REDACTED FOR PRIVACY
Owner Post Code: REDACTED FOR PRIVACY
Owner City: REDACTED FOR PRIVACY
Owner State: Lancashire
Owner Country: GB
Owner Phone: REDACTED.FORPRIVACY
Owner Email: whoiscontact@names.co.uk
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin Post Code: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State: Lancashire
Admin Country: GB
Admin Phone: REDACTED.FORPRIVACY
Admin Email: whoiscontact@names.co.uk
Tech Name: REDACTED FOR PRIVACY
Tech Organization: Namesco Limited
Tech Street: REDACTED FOR PRIVACY
Tech Post Code: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State: England
Tech Country: GB
Tech Phone: REDACTED.FORPRIVACY
Tech Email: whoiscontact@names.co.uk
Full Whois: Domain Name: JDSPORTS.COM
Registry Domain ID: 4652561_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.register.it
Registrar URL: http://we.register.it
Updated Date: 2020-02-03T00:00:00Z
Creation Date: 2010-05-11T00:00:00Z
Registrar Registration Expiration Date: 2021-03-24T00:00:00Z
Registrar: REGISTER S.P.A.
Registrar IANA ID: 168
Registrar Abuse Contact Email: abuse@register.it
Registrar Abuse Contact Phone: +39.05520021555
Reseller:
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registry Registrant ID:
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: JD Sports Fashion plc
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Lancashire
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: GB
Registrant Phone: REDACTED.FORPRIVACY
Registrant Phone Ext:
Registrant Fax: REDACTED.FORPRIVACY
Registrant Fax Ext:
Registrant Email: whoiscontact@names.co.uk
Registry Admin ID:
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: Lancashire
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: GB
Admin Phone: REDACTED.FORPRIVACY
Admin Phone Ext:
Admin Fax: REDACTED.FORPRIVACY
Admin Fax Ext:
Admin Email: whoiscontact@names.co.uk
Registry Tech ID:
Tech Name: REDACTED FOR PRIVACY
Tech Organization: Namesco Limited
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: England
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: GB
Tech Phone: REDACTED.FORPRIVACY
Tech Phone Ext:
Tech Fax: REDACTED.FORPRIVACY
Tech Fax Ext:
Tech Email: whoiscontact@names.co.uk
Name Server: A9-67.AKAM.NET
Name Server: A4-65.AKAM.NET
Name Server: A7-66.AKAM.NET
Name Server: A14-67.AKAM.NET
Name Server: A1-160.AKAM.NET
Name Server: A20-64.AKAM.NET
DNSSEC: unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of whois database: 2020-08-21T09:21:40Z <<<

For more information on Whois status codes, please visit https://icann.org/epp

Nameservers

Name IP Address
a1-160.akam.net 193.108.91.160
a14-67.akam.net 184.26.161.67
a20-64.akam.net 95.100.175.64
a4-65.akam.net 72.246.46.65
a7-66.akam.net 23.61.199.66
a9-67.akam.net 184.85.248.67
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