Tools & Wizards About Us
calvinklein.co.uk screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% 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

  • 92

    SEO

    Google-friendlier than
    74% of websites

calvinklein.co.uk

Calvin Klein® UK Official Web Store

Page Load Speed

2.2 sec in total

First Response

163 ms

Resources Loaded

1.6 sec

Page Rendered

377 ms

calvinklein.co.uk screenshot

About Website

Click here to check amazing Calvin Klein content for United Kingdom. Otherwise, check out these important facts you probably never knew about calvinklein.co.uk

Shop the latest collection by CK online at the official Calvin Klein® store. Your canvas for limitless self-expression. ✓ 60-day free returns

Visit calvinklein.co.uk

Key Findings

We analyzed Calvinklein.co.uk page load time and found that the first response time was 163 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

calvinklein.co.uk performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value2,680 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

calvinklein.co.uk

163 ms

www.calvinklein.co.uk

443 ms

ruxitagentjs_ICA27Vdfghjqrux_10249220905100923.js

76 ms

Analytics.js

201 ms

8372925676.js

207 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 94% of them (47 requests) were addressed to the original Calvinklein.co.uk, 4% (2 requests) were made to D1snv67wdds0p2.cloudfront.net and 2% (1 request) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (589 ms) belongs to the original domain Calvinklein.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 853.4 kB (67%)

Content Size

1.3 MB

After Optimization

427.4 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Calvinklein.co.uk main page is 1.3 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. CSS take 573.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 341.4 kB

  • Original 409.6 kB
  • After minification 409.6 kB
  • After compression 68.2 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 341.4 kB or 83% of the original size.

JavaScript Optimization

-63%

Potential reduce by 188.8 kB

  • Original 297.7 kB
  • After minification 296.9 kB
  • After compression 108.8 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 188.8 kB or 63% of the original size.

CSS Optimization

-56%

Potential reduce by 323.2 kB

  • Original 573.5 kB
  • After minification 572.9 kB
  • After compression 250.3 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. Calvinklein.co.uk needs all CSS files to be minified and compressed as it can save up to 323.2 kB or 56% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (93%)

Requests Now

46

After Optimization

3

  • AJAX
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calvin Klein. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

calvinklein.co.uk

calvinklein.co.uk

163 ms

www.calvinklein.co.uk

www.calvinklein.co.uk

443 ms

ruxitagentjs_ICA27Vdfghjqrux_10249220905100923.js

ruxitagentjs_ICA27Vdfghjqrux_10249220905100923.js

76 ms

Analytics.js

Analytics.js

201 ms

8372925676.js

8372925676.js

207 ms

jquery.min.js

jquery.min.js

73 ms

commons.79b4749e.chunk.css

commons.79b4749e.chunk.css

62 ms

89822e4f48e72944b67f1d6a656f0cdb7686051b_CSS.92962ef3.chunk.css

89822e4f48e72944b67f1d6a656f0cdb7686051b_CSS.92962ef3.chunk.css

63 ms

18f8801c60ec887c94f6c6b3313366c61a8c6489_CSS.058e58db.chunk.css

18f8801c60ec887c94f6c6b3313366c61a8c6489_CSS.058e58db.chunk.css

206 ms

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f88c646bbaec26b9880209531ca12c7f3f8364a2_CSS.804d9868.chunk.css

181 ms

aed3f37047008efd19ba29f9c6bd9e0e6eafe577_CSS.00cf58e1.chunk.css

aed3f37047008efd19ba29f9c6bd9e0e6eafe577_CSS.00cf58e1.chunk.css

183 ms

styles.d5582af0.chunk.css

styles.d5582af0.chunk.css

226 ms

_app.5a0337d1.chunk.css

_app.5a0337d1.chunk.css

195 ms

42.37062086.chunk.css

42.37062086.chunk.css

198 ms

fh.js

fh.js

233 ms

polyfills-7a660a4563ecd8a8217e.js

polyfills-7a660a4563ecd8a8217e.js

548 ms

1c377de9871869784a9a644e97cd16155818224d.0be93587a9cf0cd74149.js

1c377de9871869784a9a644e97cd16155818224d.0be93587a9cf0cd74149.js

584 ms

42.baf533c4fe82217f3940.js

42.baf533c4fe82217f3940.js

559 ms

main-fe7f909e41eb97965418.js

main-fe7f909e41eb97965418.js

217 ms

webpack-5a0af724eaa28eb77fc4.js

webpack-5a0af724eaa28eb77fc4.js

182 ms

framework.dd98e38bb421ca1a7fb2.js

framework.dd98e38bb421ca1a7fb2.js

217 ms

29107295.d2b6fd5c43ad15345f05.js

29107295.d2b6fd5c43ad15345f05.js

554 ms

commons.bd46285f9a25a9d49000.js

commons.bd46285f9a25a9d49000.js

564 ms

e7ff070ec0fa94e3b0d49fb1fb87042ce08e36c4.0ee8ef8b24d85b53f964.js

e7ff070ec0fa94e3b0d49fb1fb87042ce08e36c4.0ee8ef8b24d85b53f964.js

554 ms

11144e44a9b47c5b18017d4a4736cb94f85d6a4a.d260f5802b9e0c1120a0.js

11144e44a9b47c5b18017d4a4736cb94f85d6a4a.d260f5802b9e0c1120a0.js

554 ms

f3a408f0d731dde50b0779e2a404e9be0c0cdf5e.4bcde6bc9fe420481caf.js

f3a408f0d731dde50b0779e2a404e9be0c0cdf5e.4bcde6bc9fe420481caf.js

555 ms

a088fdd39ed2f93c61591ef4f582a843ed265b2b.7bb8d9d80fdd7383883d.js

a088fdd39ed2f93c61591ef4f582a843ed265b2b.7bb8d9d80fdd7383883d.js

564 ms

8f73b988907ab58f0683f6865b7fb3d4b9c465e7.31c8c427fac844aa797b.js

8f73b988907ab58f0683f6865b7fb3d4b9c465e7.31c8c427fac844aa797b.js

571 ms

89822e4f48e72944b67f1d6a656f0cdb7686051b.1157e1e3f6d906f0597c.js

89822e4f48e72944b67f1d6a656f0cdb7686051b.1157e1e3f6d906f0597c.js

572 ms

89822e4f48e72944b67f1d6a656f0cdb7686051b_CSS.34e373399cdc573d23ed.js

89822e4f48e72944b67f1d6a656f0cdb7686051b_CSS.34e373399cdc573d23ed.js

564 ms

18f8801c60ec887c94f6c6b3313366c61a8c6489_CSS.8e0edd9dd9176433ce94.js

18f8801c60ec887c94f6c6b3313366c61a8c6489_CSS.8e0edd9dd9176433ce94.js

565 ms

18f8801c60ec887c94f6c6b3313366c61a8c6489.d488ce6d0d0f62f73e99.js

18f8801c60ec887c94f6c6b3313366c61a8c6489.d488ce6d0d0f62f73e99.js

567 ms

a2b8a468c149df243f2dc16f85851f9c2c0cde53.13dbeb403866a5ebcb97.js

a2b8a468c149df243f2dc16f85851f9c2c0cde53.13dbeb403866a5ebcb97.js

566 ms

76d023ea51fd45e574d2ebf34225a9fe373f119c.f0368eabf565554bf5e9.js

76d023ea51fd45e574d2ebf34225a9fe373f119c.f0368eabf565554bf5e9.js

570 ms

f88c646bbaec26b9880209531ca12c7f3f8364a2_CSS.6bd51dc256e30336ee2e.js

f88c646bbaec26b9880209531ca12c7f3f8364a2_CSS.6bd51dc256e30336ee2e.js

571 ms

aae0dbba92d4dc474948bd29e84f7f40c8f9c89d.f6b6c499d49512ffca8a.js

aae0dbba92d4dc474948bd29e84f7f40c8f9c89d.f6b6c499d49512ffca8a.js

572 ms

0494415ebca5ec5a15aaf961478cdbe6cd579fb2.22dde116f7929fd9f32a.js

0494415ebca5ec5a15aaf961478cdbe6cd579fb2.22dde116f7929fd9f32a.js

589 ms

e02ccfce9a2fcfff75a25fd057ef1e9508543dd2.31c33bfa077eebbe6858.js

e02ccfce9a2fcfff75a25fd057ef1e9508543dd2.31c33bfa077eebbe6858.js

572 ms

aed3f37047008efd19ba29f9c6bd9e0e6eafe577.2a7df54c5f9a8759f542.js

aed3f37047008efd19ba29f9c6bd9e0e6eafe577.2a7df54c5f9a8759f542.js

580 ms

aed3f37047008efd19ba29f9c6bd9e0e6eafe577_CSS.fc2a5302c9cb8242e63a.js

aed3f37047008efd19ba29f9c6bd9e0e6eafe577_CSS.fc2a5302c9cb8242e63a.js

572 ms

cadc630da3e449545df8409f74ac4f9eedb38d17.5cf4900b4d14a96e9d9d.js

cadc630da3e449545df8409f74ac4f9eedb38d17.5cf4900b4d14a96e9d9d.js

580 ms

styles.b62959053fa53ad3ada5.js

styles.b62959053fa53ad3ada5.js

581 ms

_app-1bac936f895d26ce3ad2.js

_app-1bac936f895d26ce3ad2.js

584 ms

index-b2f65e174c586b9b8833.js

index-b2f65e174c586b9b8833.js

585 ms

_buildManifest.js

_buildManifest.js

586 ms

_ssgManifest.js

_ssgManifest.js

583 ms

Z0lkIB4B

Z0lkIB4B

583 ms

klein-55regular-web-woff-data.woff

klein-55regular-web-woff-data.woff

455 ms

Klein-65Medium-Web.woff

Klein-65Medium-Web.woff

456 ms

fh.html

fh.html

47 ms

Accessibility Review

calvinklein.co.uk 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 input fields do not have accessible names

High

ARIA IDs are not unique

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Names and labels

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.

Impact

Issue

Low

No form fields have multiple labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

calvinklein.co.uk best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

calvinklein.co.uk SEO score

92

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

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 Calvinklein.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 Calvinklein.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

calvinklein.co.uk

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