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knauf.com.cn screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

knauf.com.cn

Page Load Speed

46.6 sec in total

First Response

10 sec

Resources Loaded

35.7 sec

Page Rendered

854 ms

knauf.com.cn screenshot

About Website

Click here to check amazing Knauf content. Otherwise, check out these important facts you probably never knew about knauf.com.cn

可耐福是世界领先的建筑系统与绿色建材的制造商。可耐福在中国仍保持着以石膏产品为核心业务，多种建筑材料及配套系统共同发展的格局，为建筑提供涉及建筑外墙、内墙、吊顶、地面等全系统解决方案。

Visit knauf.com.cn

Key Findings

We analyzed Knauf.com.cn page load time and found that the first response time was 10 sec and then it took 36.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 8 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

knauf.com.cn performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

Network Requests Diagram

knauf.com.cn

9985 ms

seo.js

840 ms

reset.css

9521 ms

common.css

4093 ms

layout.css

8913 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 75% of them (30 requests) were addressed to the original Knauf.com.cn, 25% (10 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Knauf.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 74.1 kB (47%)

Content Size

159.3 kB

After Optimization

85.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Knauf.com.cn main page is 159.3 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. Javascripts take 68.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 27.6 kB

  • Original 37.2 kB
  • After minification 29.4 kB
  • After compression 9.6 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. This page needs HTML code to be minified as it can gain 7.8 kB, which is 21% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 27.6 kB or 74% of the original size.

Image Optimization

-41%

Potential reduce by 15.1 kB

  • Original 36.7 kB
  • After minification 21.6 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. Obviously, Knauf needs image optimization as it can save up to 15.1 kB or 41% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-29%

Potential reduce by 20.2 kB

  • Original 68.6 kB
  • After minification 65.0 kB
  • After compression 48.4 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 20.2 kB or 29% of the original size.

CSS Optimization

-67%

Potential reduce by 11.2 kB

  • Original 16.8 kB
  • After minification 14.8 kB
  • After compression 5.6 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. Knauf.com.cn needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (58%)

Requests Now

31

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Knauf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

knauf.com.cn

knauf.com.cn

9985 ms

seo.js

seo.js

840 ms

reset.css

reset.css

9521 ms

common.css

common.css

4093 ms

layout.css

layout.css

8913 ms

index.css

index.css

1780 ms

jquery.min.js

jquery.min.js

19795 ms

iecss3.js

iecss3.js

3090 ms

indexImgScroll.js

indexImgScroll.js

3538 ms

jquery.scrollablecombo.js

jquery.scrollablecombo.js

6749 ms

selectStyle.css

selectStyle.css

7063 ms

searchBtn.jpg

searchBtn.jpg

7191 ms

logo.jpg

logo.jpg

10419 ms

home_img.jpg

home_img.jpg

6064 ms

sinaImg.jpg

sinaImg.jpg

6005 ms

e5e936b25b0240628a28aea3d5d63a62.jpg

e5e936b25b0240628a28aea3d5d63a62.jpg

19849 ms

f2967665355e4785a3bcba4a4d13251e.jpg

f2967665355e4785a3bcba4a4d13251e.jpg

19850 ms

ffd299f902d74ab9a0a65a77818cb510.jpg

ffd299f902d74ab9a0a65a77818cb510.jpg

19850 ms

215d676e549f4d1b9494eb76bb03d1f4.jpg

215d676e549f4d1b9494eb76bb03d1f4.jpg

19850 ms

global.css

global.css

9483 ms

0278537be5914010bee40d0eaf4ff124.jpg

0278537be5914010bee40d0eaf4ff124.jpg

12747 ms

sImg2.jpg

sImg2.jpg

19890 ms

PublicScript.js

PublicScript.js

17325 ms

5c6fd00a507549f392d8f341df77cc82.jpg

5c6fd00a507549f392d8f341df77cc82.jpg

20445 ms

img1.jpg

img1.jpg

20447 ms

sendBtn.jpg

sendBtn.jpg

20216 ms

header_bg.jpg

header_bg.jpg

9287 ms

nav_bg.jpg

nav_bg.jpg

4828 ms

ico1.jpg

ico1.jpg

13394 ms

newsBg.jpg

newsBg.jpg

6956 ms

share.js

share.js

1178 ms

share_api.js

share_api.js

372 ms

share_view.js

share_view.js

756 ms

tangram.js

tangram.js

2477 ms

api_base.js

api_base.js

702 ms

view_base.js

view_base.js

393 ms

partners.js

partners.js

1456 ms

share_style0_16.css

share_style0_16.css

397 ms

logger.js

logger.js

1478 ms

icons_0_16.png

icons_0_16.png

1257 ms

Accessibility Review

knauf.com.cn accessibility score

58

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

knauf.com.cn best practices score

58

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

knauf.com.cn SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Knauf.com.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Knauf.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

knauf.com.cn

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