Access jd-sports.de. JD Sports Deutschland - Sneaker, Sportbekleidung & Accessoires

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value44.2 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value1,020 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.451

20/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

www.jdsports.de

49 ms

app.css

56 ms

polyfill.min.js

1562 ms

comp_4f943e5.css

141 ms

comp_dc45d19.css

148 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Jd-sports.de, 29% (17 requests) were made to Content-ssr1.cloud.jdplc.com and 24% (14 requests) were made to Jdsports.de. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Polyfill-fastly.io.

Content Size

17.5 MB

After Optimization

16.3 MB

In fact, the total size of Jd-sports.de main page is 17.5 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. Only a small number of websites need less resources to load. Images take 15.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 281.9 kB

Original 346.6 kB
After minification 330.0 kB
After compression 64.7 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 281.9 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 2.2 kB

Original 15.7 MB
After minification 15.7 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

-68%

Potential reduce by 892.8 kB

Original 1.3 MB
After minification 1.3 MB
After compression 424.9 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 892.8 kB or 68% of the original size.

CSS Optimization

-0%

Potential reduce by 354 B

Original 85.9 kB
After minification 85.9 kB
After compression 85.5 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. Jd-sports.de has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 53 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 18 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

DE
Language Claimed

DE
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jd-sports.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Jd-sports.de 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

jd-sports.de

Open Graph data is detected on the main page of JD Sports. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

JD Sports Deutschland - Sneaker, Sportbekleidung & Accessoires

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.jdsports.de

app.css

polyfill.min.js

comp_4f943e5.css

comp_dc45d19.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.jdsports.de

app.css

polyfill.min.js

comp_4f943e5.css

comp_dc45d19.css

comp_73ccc50.css

comp_4316416.css

comp_5a0f85e.css

comp_5a80ad7.css

comp_64e8cb6.css

comp_c674bb5.js

comp_f03960a.js

comp_a4ebb05.js

comp_5fa27f1.js

comp_0d1872d.js

comp_fc50166.js

comp_37cb5d0.js

comp_8515299.js

comp_630977d.js

comp_106b552.js

navigation-INT.css

navigation.js

navigation-usp.js

translations.js

app.js

d2tefupx1dneli.cloudfront.net

Bootstrap.js

font-awesome.min.css

45PBY-33WND-3MSYT-ENWG6-RJANS

globalicon-20x13-700f5f7fe1dcfead6664368748c87f4c

logo.png

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