Tools & Wizards About Us
tuv-sud.cn screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

tuv-sud.cn

TÜV南德意志大中华集团 - 创享价值 激发信任 | TÜV南德

Page Load Speed

23.6 sec in total

First Response

5.7 sec

Resources Loaded

17.6 sec

Page Rendered

310 ms

tuv-sud.cn screenshot

About Website

Visit tuv-sud.cn now to see the best up-to-date Tuv Sud content for Taiwan and also check out these interesting facts you probably never knew about tuv-sud.cn

TÜV南德提供安全并可持续发展的解决方案，是您值得信赖的合作伙伴。在过去的150多年里，我们借助各种各样的检测、认证、审核及咨询服务，为合作伙伴及客户切实地增添了价值

Visit tuv-sud.cn

Key Findings

We analyzed Tuv-sud.cn page load time and found that the first response time was 5.7 sec and then it took 18 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

tuv-sud.cn performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

2/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value15.5 s

0/100

10%

TBT (Total Blocking Time)

Value820 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

tuv-sud.cn

5679 ms

www.tuv-sud.cn

5487 ms

internetCss.css

878 ms

modernizr.custom.05124.js

297 ms

jquery.min.js

695 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 93% of them (41 requests) were addressed to the original Tuv-sud.cn, 5% (2 requests) were made to De.sitestat.com and 2% (1 request) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (5.7 sec) belongs to the original domain Tuv-sud.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 905.6 kB (17%)

Content Size

5.4 MB

After Optimization

4.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tuv-sud.cn main page is 5.4 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. 25% of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 63.7 kB

  • Original 80.1 kB
  • After minification 80.0 kB
  • After compression 16.4 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 63.7 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 21.1 kB

  • Original 4.2 MB
  • After minification 4.2 MB

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. Tuv Sud images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 599.2 kB

  • Original 826.7 kB
  • After minification 813.2 kB
  • After compression 227.5 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 599.2 kB or 72% of the original size.

CSS Optimization

-86%

Potential reduce by 221.6 kB

  • Original 259.0 kB
  • After minification 246.1 kB
  • After compression 37.4 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. Tuv-sud.cn needs all CSS files to be minified and compressed as it can save up to 221.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (34%)

Requests Now

41

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tuv Sud. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tuv-sud.cn

tuv-sud.cn

5679 ms

www.tuv-sud.cn

www.tuv-sud.cn

5487 ms

internetCss.css

internetCss.css

878 ms

modernizr.custom.05124.js

modernizr.custom.05124.js

297 ms

jquery.min.js

jquery.min.js

695 ms

jquery-migrate.js

jquery-migrate.js

396 ms

bDetect.min.js

bDetect.min.js

208 ms

jquery.dataTables.custom.css

jquery.dataTables.custom.css

406 ms

emailCheck.js

emailCheck.js

200 ms

internetBottomJs.js

internetBottomJs.js

1373 ms

bootstrap.min.js

bootstrap.min.js

202 ms

jquery.dataTables.min.js

jquery.dataTables.min.js

218 ms

dataTables.responsive.min.js

dataTables.responsive.min.js

300 ms

sitestat.js

sitestat.js

306 ms

tuv-sud-china-homepage-image20130424_980x335.jpg

tuv-sud-china-homepage-image20130424_980x335.jpg

217 ms

icons.png

icons.png

106 ms

tuev-sued-logo-en.png

tuev-sued-logo-en.png

105 ms

bg_search_input_white.png

bg_search_input_white.png

103 ms

tuev_sued_logo_int_print.jpg

tuev_sued_logo_int_print.jpg

102 ms

shutterstock-142067272_1100x602.jpg

shutterstock-142067272_1100x602.jpg

698 ms

getty-130408432_1061x582.jpg

getty-130408432_1061x582.jpg

818 ms

corporate-social-responsibility_498x272+391+0_220x120.jpg

corporate-social-responsibility_498x272+391+0_220x120.jpg

218 ms

energy-efficiency_471x256+462+0_220x120.jpg

energy-efficiency_471x256+462+0_220x120.jpg

245 ms

functional-cropped-final_498x272+202+0_220x120.jpg

functional-cropped-final_498x272+202+0_220x120.jpg

336 ms

renewableenergy_498x272+440+0_220x120.jpg

renewableenergy_498x272+440+0_220x120.jpg

333 ms

iblsin01809007_1024x558.jpg

iblsin01809007_1024x558.jpg

563 ms

shutterstock-156331196_2000x1120.jpg

shutterstock-156331196_2000x1120.jpg

1560 ms

getty-155131725_1064x580.jpg

getty-155131725_1064x580.jpg

933 ms

shutterstock-70782268_1065x580.jpg

shutterstock-70782268_1065x580.jpg

1172 ms

tuvsud-v-m-corp-2015001_1357x546.jpg

tuvsud-v-m-corp-2015001_1357x546.jpg

1203 ms

tuv-sud-careers_679x272+205+0_340x136.jpg

tuv-sud-careers_679x272+205+0_340x136.jpg

931 ms

gcn-map-20120305_2341x2000.jpg

gcn-map-20120305_2341x2000.jpg

2355 ms

julie_1104x758.jpg

julie_1104x758.jpg

1659 ms

ts-150-vert-en-rgb_1329x1111+0+99_180x150.jpg

ts-150-vert-en-rgb_1329x1111+0+99_180x150.jpg

1043 ms

cn_gov.gif

cn_gov.gif

1148 ms

teaser_button_left_hover.png

teaser_button_left_hover.png

1244 ms

teaser_button_right_hover.png

teaser_button_right_hover.png

1263 ms

yoxview.min.css

yoxview.min.css

444 ms

jquery.yoxview-2.21.min.js

jquery.yoxview-2.21.min.js

593 ms

s

s

618 ms

hm.js

hm.js

1062 ms

ui-bg_flat_100_ffffff_40x100.png

ui-bg_flat_100_ffffff_40x100.png

101 ms

s

s

183 ms

mediaqueries.css

mediaqueries.css

103 ms

Accessibility Review

tuv-sud.cn accessibility score

94

Accessibility Issues

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

Form elements do not have associated labels

Best Practices

tuv-sud.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

General

Impact

Issue

High

Page has valid source maps

SEO Factors

tuv-sud.cn 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

High

Tap targets are not sized appropriately

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 Tuv-sud.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 Tuv-sud.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

tuv-sud.cn

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