Report Summary

  • 15

    Performance

    Renders faster than
    28% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 99

    SEO

    Google-friendlier than
    94% of websites

calvinklein.co.uk

Calvin Klein® UK | Official Online 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

Express yourself with the latest collection by Calvin Klein, exclusively available at the Calvin Klein UK official website. ✓ 10% off your first order

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 35% of websites can load faster.

Performance Metrics

calvinklein.co.uk performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value36.4 s

0/100

25%

SI (Speed Index)

Value28.0 s

0/100

10%

TBT (Total Blocking Time)

Value42,140 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.067

97/100

15%

TTI (Time to Interactive)

Value59.0 s

0/100

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

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. 85% 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. 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

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.

Accessibility Review

calvinklein.co.uk accessibility score

83

Accessibility Issues

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.

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

calvinklein.co.uk SEO score

99

Search Engine Optimization Advices

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 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

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: