Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    28% of websites

  • 50

    SEO

    Google-friendlier than
    28% of websites

chinaidc.com.cn

数据中国

Page Load Speed

57.6 sec in total

First Response

13.8 sec

Resources Loaded

43.6 sec

Page Rendered

155 ms

chinaidc.com.cn screenshot

About Website

Welcome to chinaidc.com.cn homepage info - get ready to check Chinaidc best content for China right away, or after learning these important things about chinaidc.com.cn

网站制作,网页设计,教程,免费资源,艺术欣赏,软件与编程,联盟,

Visit chinaidc.com.cn

Key Findings

We analyzed Chinaidc.com.cn page load time and found that the first response time was 13.8 sec and then it took 43.8 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. Unfortunately, there were 5 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

chinaidc.com.cn performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.067

97/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

chinaidc.com.cn

13827 ms

core.css

5268 ms

index.css

6394 ms

jquery-1.8.2.min.js

20371 ms

banner.js

1593 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 70% of them (39 requests) were addressed to the original Chinaidc.com.cn, 30% (17 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Chinaidc.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.3 kB (21%)

Content Size

215.0 kB

After Optimization

169.7 kB

In fact, the total size of Chinaidc.com.cn main page is 215.0 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 181.9 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 11.8 kB

  • Original 16.3 kB
  • After minification 14.5 kB
  • After compression 4.5 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 1.8 kB, which is 11% 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 11.8 kB or 72% of the original size.

Image Optimization

-11%

Potential reduce by 20.8 kB

  • Original 181.9 kB
  • After minification 161.1 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, Chinaidc needs image optimization as it can save up to 20.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-77%

Potential reduce by 2.7 kB

  • Original 3.5 kB
  • After minification 2.5 kB
  • After compression 794 B

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 2.7 kB or 77% of the original size.

CSS Optimization

-75%

Potential reduce by 10.0 kB

  • Original 13.3 kB
  • After minification 12.2 kB
  • After compression 3.3 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. Chinaidc.com.cn needs all CSS files to be minified and compressed as it can save up to 10.0 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (22%)

Requests Now

50

After Optimization

39

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chinaidc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

chinaidc.com.cn accessibility score

59

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

chinaidc.com.cn best practices score

50

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

chinaidc.com.cn SEO score

50

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

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

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chinaidc.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 Chinaidc.com.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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