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burberry.co.uk screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

burberry.co.uk

Burberry | Official Website & Store

Page Load Speed

1.7 sec in total

First Response

209 ms

Resources Loaded

1.3 sec

Page Rendered

214 ms

burberry.co.uk screenshot

About Website

Click here to check amazing Burberry content. Otherwise, check out these important facts you probably never knew about burberry.co.uk

Discover luxury British clothing, bags, accessories and fragrances for women and men. Free delivery available.

Visit burberry.co.uk

Key Findings

We analyzed Burberry.co.uk page load time and found that the first response time was 209 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

burberry.co.uk performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value18.2 s

0/100

25%

SI (Speed Index)

Value15.0 s

1/100

10%

TBT (Total Blocking Time)

Value6,860 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.5 s

1/100

10%

Network Requests Diagram

burberry.co.uk

209 ms

uk.burberry.com

583 ms

861f557b895ad2cdaca64941f1e4c871c79db7da106

288 ms

17489381590.js

196 ms

6625-2e6afa84b056958e.css

31 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Burberry.co.uk, 65% (26 requests) were made to Uk.burberry.com and 15% (6 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (583 ms) relates to the external source Uk.burberry.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 498.1 kB (29%)

Content Size

1.7 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Burberry.co.uk main page is 1.7 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. 70% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 395.6 kB

  • Original 480.2 kB
  • After minification 480.2 kB
  • After compression 84.5 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 395.6 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 32.1 kB
  • After minification 32.1 kB

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. Burberry images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 64.1 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 1.1 MB

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. This website has mostly compressed JavaScripts.

CSS Optimization

-86%

Potential reduce by 38.3 kB

  • Original 44.5 kB
  • After minification 44.5 kB
  • After compression 6.2 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. Burberry.co.uk needs all CSS files to be minified and compressed as it can save up to 38.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (80%)

Requests Now

35

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Burberry. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

burberry.co.uk

burberry.co.uk

209 ms

uk.burberry.com

uk.burberry.com

583 ms

861f557b895ad2cdaca64941f1e4c871c79db7da106

861f557b895ad2cdaca64941f1e4c871c79db7da106

288 ms

17489381590.js

17489381590.js

196 ms

6625-2e6afa84b056958e.css

6625-2e6afa84b056958e.css

31 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

196 ms

7184.f518cd34cbedb46b.js

7184.f518cd34cbedb46b.js

195 ms

1910.11742a4183a66c17.js

1910.11742a4183a66c17.js

281 ms

3631.c0de175fbe88a779.js

3631.c0de175fbe88a779.js

285 ms

336.16b4a6d7f2ae1dfa.js

336.16b4a6d7f2ae1dfa.js

282 ms

9477.ebfc8ec9342f91ea.js

9477.ebfc8ec9342f91ea.js

283 ms

3094.125c2b86bb662347.js

3094.125c2b86bb662347.js

285 ms

8264.d2e4fecd9f5548e5.js

8264.d2e4fecd9f5548e5.js

350 ms

9854.921c17d03b6908ed.js

9854.921c17d03b6908ed.js

288 ms

3654.d53208a3c21c6e05.js

3654.d53208a3c21c6e05.js

288 ms

3804.9ac5c44f6f44f8a6.js

3804.9ac5c44f6f44f8a6.js

287 ms

5466.880ab95cd06ef0fc.js

5466.880ab95cd06ef0fc.js

289 ms

5035.7a1acd9db162c77b.js

5035.7a1acd9db162c77b.js

356 ms

3027.9a2d4dda27ff1543.js

3027.9a2d4dda27ff1543.js

289 ms

9424.1ec04075ee88045e.js

9424.1ec04075ee88045e.js

327 ms

6995.6b745200f6e56699.js

6995.6b745200f6e56699.js

327 ms

webpack-bae447b9c40c894d.js

webpack-bae447b9c40c894d.js

289 ms

main-60a97a3e657b72d7.js

main-60a97a3e657b72d7.js

463 ms

bossStyles-ad7cee84c4d375e3.js

bossStyles-ad7cee84c4d375e3.js

329 ms

_app-62de407d8b09312f.js

_app-62de407d8b09312f.js

443 ms

%5B%5B...path%5D%5D-074fb6dff84b1f95.js

%5B%5B...path%5D%5D-074fb6dff84b1f95.js

329 ms

_buildManifest.js

_buildManifest.js

345 ms

_ssgManifest.js

_ssgManifest.js

427 ms

otSDKStub.js

otSDKStub.js

190 ms

96787DAA-736F-456E-B1DE-528A90E65462

96787DAA-736F-456E-B1DE-528A90E65462

262 ms

oracle-book.woff

oracle-book.woff

364 ms

oracle-book-medium.woff

oracle-book-medium.woff

382 ms

a17489381590.html

a17489381590.html

78 ms

cb45608d-9a4a-4282-8214-3ad445aec597.json

cb45608d-9a4a-4282-8214-3ad445aec597.json

32 ms

burberry-house-regular.woff

burberry-house-regular.woff

232 ms

location

location

33 ms

otBannerSdk.js

otBannerSdk.js

17 ms

en.json

en.json

33 ms

otCenterRounded.json

otCenterRounded.json

17 ms

otPcTab.json

otPcTab.json

19 ms

Accessibility Review

burberry.co.uk accessibility score

87

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 have valid values

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

burberry.co.uk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

burberry.co.uk SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    EN

  • Encoding

    UTF-8

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

burberry.co.uk

Open Graph description is not detected on the main page of Burberry. 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: