Tools & Wizards About Us
techcn.com.cn screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 0

    Accessibility

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 0

    SEO

techcn.com.cn

科技中国（Techcn.com.cn）：互联网博物馆，你我的知识加油站

Page Load Speed

62.6 sec in total

First Response

7 sec

Resources Loaded

52.3 sec

Page Rendered

3.3 sec

techcn.com.cn screenshot

About Website

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

Visit techcn.com.cn

Key Findings

We analyzed Techcn.com.cn page load time and found that the first response time was 7 sec and then it took 55.6 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

techcn.com.cn performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

65/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value9,210 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value19.4 s

2/100

10%

Network Requests Diagram

techcn.com.cn

6990 ms

css.css

1041 ms

hdwiki.css

3470 ms

jquery.js

6926 ms

front.js

1030 ms

Our browser made a total of 257 requests to load all elements on the main page. We found that 97% of them (249 requests) were addressed to the original Techcn.com.cn, 1% (2 requests) were made to Smjs.allyes.com and 1% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (11.2 sec) belongs to the original domain Techcn.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 852.4 kB (73%)

Content Size

1.2 MB

After Optimization

307.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Techcn.com.cn main page is 1.2 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. 45% of websites need less resources to load. HTML takes 773.0 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 686.9 kB

  • Original 773.0 kB
  • After minification 554.8 kB
  • After compression 86.0 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. This page needs HTML code to be minified as it can gain 218.2 kB, which is 28% 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 686.9 kB or 89% of the original size.

Image Optimization

-35%

Potential reduce by 92.0 kB

  • Original 262.4 kB
  • After minification 170.4 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, Techcn needs image optimization as it can save up to 92.0 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 41.2 kB

  • Original 83.5 kB
  • After minification 78.1 kB
  • After compression 42.3 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 41.2 kB or 49% of the original size.

CSS Optimization

-78%

Potential reduce by 32.2 kB

  • Original 41.4 kB
  • After minification 35.3 kB
  • After compression 9.2 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. Techcn.com.cn needs all CSS files to be minified and compressed as it can save up to 32.2 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (11%)

Requests Now

254

After Optimization

227

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 254 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Techcn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

techcn.com.cn

techcn.com.cn

6990 ms

css.css

css.css

1041 ms

hdwiki.css

hdwiki.css

3470 ms

jquery.js

jquery.js

6926 ms

front.js

front.js

1030 ms

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jquery.dialog.js

1044 ms

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1487 ms

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s.js

205 ms

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basic.css

458 ms

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456 ms

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1863 ms

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1477 ms

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Best Practices

techcn.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

techcn.com.cn SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Techcn.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 Techcn.com.cn main page’s claimed encoding is gbk. 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

techcn.com.cn

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