Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

it.net.cn

IT网 - IT技术网|IT官网

Page Load Speed

4.4 sec in total

First Response

892 ms

Resources Loaded

3.4 sec

Page Rendered

144 ms

it.net.cn screenshot

About Website

Click here to check amazing It content for China. Otherwise, check out these important facts you probably never knew about it.net.cn

IT网-IT技术网|www.it.net.cn|it网.com提供专业it学习、it技术资讯、it下载,it培训、it技术最佳实践,IT官网

Visit it.net.cn

Key Findings

We analyzed It.net.cn page load time and found that the first response time was 892 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

it.net.cn performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value5.3 s

57/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.125

83/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

it.net.cn

892 ms

style.css

196 ms

jquery1.8.3.min.js

957 ms

adsbygoogle.js

149 ms

js-sdk-pro.min.js

605 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 53% of them (32 requests) were addressed to the original It.net.cn, 10% (6 requests) were made to Gstatic.com and 10% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain It.net.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 229.2 kB (22%)

Content Size

1.0 MB

After Optimization

814.4 kB

In fact, the total size of It.net.cn main page is 1.0 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. 40% of websites need less resources to load. Javascripts take 729.0 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 11.5 kB

  • Original 15.8 kB
  • After minification 15.0 kB
  • After compression 4.2 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 11.5 kB or 73% of the original size.

Image Optimization

-7%

Potential reduce by 20.5 kB

  • Original 297.6 kB
  • After minification 277.1 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. It images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 197.0 kB

  • Original 729.0 kB
  • After minification 728.7 kB
  • After compression 532.0 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 197.0 kB or 27% of the original size.

CSS Optimization

-15%

Potential reduce by 191 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 1.1 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. It.net.cn needs all CSS files to be minified and compressed as it can save up to 191 B or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (50%)

Requests Now

56

After Optimization

28

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of It. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

it.net.cn accessibility score

78

Accessibility Issues

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

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

it.net.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

it.net.cn SEO score

67

Search Engine Optimization Advices

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 It.net.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 It.net.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 It. 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: