Tools & Wizards About Us

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

calvinklein.cn

Calvin Klein中国官方网站-CK中国官网

Page Load Speed

3.5 sec in total

First Response

145 ms

Resources Loaded

3.3 sec

Page Rendered

80 ms

About Website

Click here to check amazing Calvin Klein content for China. Otherwise, check out these important facts you probably never knew about calvinklein.cn

Calvin Klein中国官方网站,CK是美国第一大设计师品牌,曾连续四度获得知名的服装奖项,拥有CK牛仔, CK内衣,CK运动休闲和CK配件四大系列商品.

Visit calvinklein.cn

Key Findings

We analyzed Calvinklein.cn page load time and found that the first response time was 145 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

calvinklein.cn performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value24.0 s

0/100

10%

TBT (Total Blocking Time)

Value1,580 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value1.633

0/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

calvinklein.cn

145 ms

www.calvinklein.cn

1146 ms

app-80c70e4c.css

643 ms

1-80c70e4c.css

604 ms

flexible.js

610 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Calvinklein.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Calvinklein.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.1 kB (9%)

Content Size

910.9 kB

After Optimization

824.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Calvinklein.cn main page is 910.9 kB. 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 10% of websites need less resources to load. Images take 844.0 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 1.9 kB

  • Original 3.0 kB
  • After minification 3.0 kB
  • After compression 1.1 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 1.9 kB or 64% of the original size.

Image Optimization

-6%

Potential reduce by 49.3 kB

  • Original 844.0 kB
  • After minification 794.8 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. Calvin Klein images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-81%

Potential reduce by 34.9 kB

  • Original 42.9 kB
  • After minification 31.0 kB
  • After compression 8.0 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.cn needs all CSS files to be minified and compressed as it can save up to 34.9 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calvin Klein. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

calvinklein.cn accessibility score

74

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.

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

High

Image elements do not have [alt] attributes

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.cn 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

calvinklein.cn SEO score

85

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Calvinklein.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Calvinklein.cn 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 Calvin Klein. 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: