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kerastase.com.cn screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    60% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

kerastase.com.cn

2204140423品类日爆发-kerastase卡诗官方旗舰店-天猫Tmall.com

Page Load Speed

22.8 sec in total

First Response

2.3 sec

Resources Loaded

20.3 sec

Page Rendered

231 ms

kerastase.com.cn screenshot

About Website

Welcome to kerastase.com.cn homepage info - get ready to check Kerastase best content for United States right away, or after learning these important things about kerastase.com.cn

kerastase卡诗官方旗舰店是由品牌官方企业运营或授权的官网旗舰店，所有商品保证正品无假货。kerastase卡诗官方旗舰店宝贝与描述相符评分为4.9分，比同行业平均水平高31.24%，卖家的服务态度评分为4.8分，比同行业平均水平高27.33%，物流服务的质量评分为4.9分，比同行业平均水平高42.90%。

Visit kerastase.com.cn

Key Findings

We analyzed Kerastase.com.cn page load time and found that the first response time was 2.3 sec and then it took 20.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

kerastase.com.cn performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.4 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value400 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

kerastase.com.cn

2284 ms

www.kerastase.com.cn

4870 ms

vendor.js

9644 ms

jquery.query.min.js

972 ms

vendor.css

872 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 86% of them (31 requests) were addressed to the original Kerastase.com.cn, 8% (3 requests) were made to Google-analytics.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (9.6 sec) belongs to the original domain Kerastase.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 208.1 kB (16%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kerastase.com.cn 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. 20% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 13.1 kB

  • Original 19.4 kB
  • After minification 18.3 kB
  • After compression 6.3 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 13.1 kB or 68% of the original size.

Image Optimization

-6%

Potential reduce by 65.1 kB

  • Original 1.1 MB
  • After minification 995.9 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. Kerastase images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 99.2 kB

  • Original 162.3 kB
  • After minification 144.2 kB
  • After compression 63.1 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 99.2 kB or 61% of the original size.

CSS Optimization

-79%

Potential reduce by 30.7 kB

  • Original 38.8 kB
  • After minification 32.6 kB
  • After compression 8.1 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. Kerastase.com.cn needs all CSS files to be minified and compressed as it can save up to 30.7 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (63%)

Requests Now

32

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kerastase. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kerastase.com.cn

kerastase.com.cn

2284 ms

www.kerastase.com.cn

www.kerastase.com.cn

4870 ms

vendor.js

vendor.js

9644 ms

jquery.query.min.js

jquery.query.min.js

972 ms

vendor.css

vendor.css

872 ms

common.css

common.css

4569 ms

home.css

home.css

3134 ms

main.css

main.css

1739 ms

plugins.js

plugins.js

437 ms

common.js

common.js

816 ms

header.js

header.js

1013 ms

home.js

home.js

2174 ms

jquery.slide.js

jquery.slide.js

1636 ms

public.js

public.js

2343 ms

reset_t.css

reset_t.css

807 ms

base_t.css

base_t.css

1339 ms

public.css

public.css

1045 ms

myks_home.png

myks_home.png

1938 ms

myks_product.png

myks_product.png

1409 ms

myks_diag.png

myks_diag.png

1409 ms

wechat.png

wechat.png

1753 ms

wechat_qr.jpg

wechat_qr.jpg

2369 ms

weibo.png

weibo.png

3448 ms

logo.png

logo.png

3465 ms

nav0.jpg

nav0.jpg

3533 ms

nav1.jpg

nav1.jpg

3301 ms

nav2.jpg

nav2.jpg

3245 ms

weibo_ft.jpg

weibo_ft.jpg

3534 ms

analytics.js

analytics.js

68 ms

search.png

search.png

2704 ms

k.png

k.png

2827 ms

gtm.js

gtm.js

77 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

3460 ms

linkid.js

linkid.js

16 ms

collect

collect

8 ms

collect

collect

106 ms

Accessibility Review

kerastase.com.cn accessibility score

67

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

High

Links do not have a discernible name

Best Practices

kerastase.com.cn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

kerastase.com.cn SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kerastase.com.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Kerastase.com.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

kerastase.com.cn

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