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certiport.com.cn screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

certiport.com.cn

计算机化考试开发和发送 :: Pearson VUE

Page Load Speed

1.7 sec in total

First Response

178 ms

Resources Loaded

1.3 sec

Page Rendered

214 ms

certiport.com.cn screenshot

About Website

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

Pearson VUE 基于安全的电子测试提供创新的计算机化考试解决方案。Pearson VUE 为Microsoft、Cisco、CompTIA、Oracle、HP、GMAC、NCLEX、FINRA、ASCP 等众多客户提供执照和认证考试。

Visit certiport.com.cn

Key Findings

We analyzed Certiport.com.cn page load time and found that the first response time was 178 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

certiport.com.cn performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

pearsonvue.com.cn

178 ms

www.pearsonvue.com.cn

274 ms

a2a45ba07a.js

71 ms

GetResource.ashx

39 ms

css

66 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Certiport.com.cn, 10% (4 requests) were made to Use.fontawesome.com and 5% (2 requests) were made to Wsr.pearsonvue.com. The less responsive or slowest element that took the longest time to load (278 ms) relates to the external source Pearsonvue.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 124.9 kB (8%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Certiport.com.cn main page is 1.6 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. 60% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 52.8 kB

  • Original 67.8 kB
  • After minification 64.7 kB
  • After compression 15.0 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 52.8 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 2.8 kB

  • Original 1.2 MB
  • After minification 1.2 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. Certiport images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 69.3 kB

  • Original 253.5 kB
  • After minification 253.5 kB
  • After compression 184.2 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 69.3 kB or 27% of the original size.

CSS Optimization

-1%

Potential reduce by 62 B

  • Original 7.0 kB
  • After minification 7.0 kB
  • After compression 6.9 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. Certiport.com.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (74%)

Requests Now

38

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Certiport. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pearsonvue.com.cn

pearsonvue.com.cn

178 ms

www.pearsonvue.com.cn

www.pearsonvue.com.cn

274 ms

a2a45ba07a.js

a2a45ba07a.js

71 ms

GetResource.ashx

GetResource.ashx

39 ms

css

css

66 ms

GetResource.ashx

GetResource.ashx

59 ms

GetResource.ashx

GetResource.ashx

59 ms

GetResource.ashx

GetResource.ashx

59 ms

GetResource.ashx

GetResource.ashx

58 ms

GetResource.ashx

GetResource.ashx

60 ms

WebResource.axd

WebResource.axd

59 ms

ScriptResource.axd

ScriptResource.axd

67 ms

ScriptResource.axd

ScriptResource.axd

120 ms

modernizr.min.js

modernizr.min.js

218 ms

unsupportedBrowserNotification.js

unsupportedBrowserNotification.js

230 ms

jquery-2.1.1.min.js

jquery-2.1.1.min.js

62 ms

bootstrap.js

bootstrap.js

60 ms

GetResource.ashx

GetResource.ashx

135 ms

GetResource.ashx

GetResource.ashx

63 ms

GetResource.ashx

GetResource.ashx

135 ms

GetResource.ashx

GetResource.ashx

133 ms

GetResource.ashx

GetResource.ashx

133 ms

GetResource.ashx

GetResource.ashx

133 ms

GetResource.ashx

GetResource.ashx

132 ms

GetResource.ashx

GetResource.ashx

146 ms

GetResource.ashx

GetResource.ashx

146 ms

GetResource.ashx

GetResource.ashx

145 ms

GetResource.ashx

GetResource.ashx

144 ms

addthis_widget.js

addthis_widget.js

138 ms

gtm.js

gtm.js

100 ms

test_taker.png.aspx

test_taker.png.aspx

88 ms

test_owner-(2).jpg.aspx

test_owner-(2).jpg.aspx

141 ms

CH_herobanners.jpg.aspx

CH_herobanners.jpg.aspx

142 ms

about-(4).jpg.aspx

about-(4).jpg.aspx

278 ms

test_taker-cn.jpg.aspx

test_taker-cn.jpg.aspx

96 ms

OP-Promo.jpg.aspx

OP-Promo.jpg.aspx

44 ms

world_of_difference.png.aspx

world_of_difference.png.aspx

64 ms

a2a45ba07a.css

a2a45ba07a.css

30 ms

font-awesome-css.min.css

font-awesome-css.min.css

15 ms

pearson_logo_white_bg.png

pearson_logo_white_bg.png

139 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

17 ms

Accessibility Review

certiport.com.cn accessibility score

87

Accessibility Issues

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-*] attributes do not match their roles

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

certiport.com.cn best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

certiport.com.cn SEO score

89

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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Certiport.com.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 Certiport.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

certiport.com.cn

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