Tools & Wizards About Us

Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

jdsports.com

JD Sports | Sneakers, Clothing & Accessories | Nike, adidas, Jordan

Page Load Speed

7.4 sec in total

First Response

1.3 sec

Resources Loaded

5.6 sec

Page Rendered

606 ms

About Website

Welcome to jdsports.com homepage info - get ready to check JD Sports best content for United States right away, or after learning these important things about jdsports.com

Shop JD Sports for must-have sneakers, sportswear and accessories from top brands like Nike, Jordan, adidas, New Balance, Vans and more.

Visit jdsports.com

Key Findings

We analyzed Jdsports.com page load time and found that the first response time was 1.3 sec and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

jdsports.com performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value15.8 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value9,710 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.115

1/100

15%

TTI (Time to Interactive)

Value28.5 s

0/100

10%

Network Requests Diagram

jdsports.com

1262 ms

home

33 ms

store.css

22 ms

Bootstrap.js

65 ms

jd_scripts.js

49 ms

Our browser made a total of 173 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Jdsports.com, 38% (66 requests) were made to Jdsports.co.uk and 11% (19 requests) were made to I1.adis.ws. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Jdsports-client-resources.s3-eu-west-1.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (34%)

Content Size

4.8 MB

After Optimization

3.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jdsports.com main page is 4.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 299.7 kB

  • Original 337.0 kB
  • After minification 234.3 kB
  • After compression 37.3 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 102.7 kB, which is 30% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 299.7 kB or 89% of the original size.

Image Optimization

-2%

Potential reduce by 45.9 kB

  • Original 2.5 MB
  • After minification 2.4 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. JD Sports images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 579.5 kB

  • Original 845.7 kB
  • After minification 743.1 kB
  • After compression 266.2 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 579.5 kB or 69% of the original size.

CSS Optimization

-60%

Potential reduce by 715.5 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 480.4 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Jdsports.com needs all CSS files to be minified and compressed as it can save up to 715.5 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 75 (50%)

Requests Now

149

After Optimization

74

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 149 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JD Sports. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 54 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jdsports.com accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

ARIA IDs are not unique

Best Practices

jdsports.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jdsports.com SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jdsports.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Jdsports.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of JD Sports. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: