Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

itwork.cn

ITBOOK - IT技术学习台

Page Load Speed

29.8 sec in total

First Response

1.4 sec

Resources Loaded

28.1 sec

Page Rendered

327 ms

itwork.cn screenshot

About Website

Welcome to itwork.cn homepage info - get ready to check Itwork best content right away, or after learning these important things about itwork.cn

大连网站优化公司 大连网站建设公司 大连seo优化 大连联企科技有限公司

Visit itwork.cn

Key Findings

We analyzed Itwork.cn page load time and found that the first response time was 1.4 sec and then it took 28.4 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 17 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

itwork.cn performance score

0

Network Requests Diagram

itwork.cn

1379 ms

style.css

731 ms

jquery.js

1546 ms

function.js

757 ms

home.css

756 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 98% of them (58 requests) were addressed to the original Itwork.cn, 2% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Itwork.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 225.9 kB (14%)

Content Size

1.6 MB

After Optimization

1.4 MB

In fact, the total size of Itwork.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. 15% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 14.6 kB

  • Original 18.4 kB
  • After minification 15.0 kB
  • After compression 3.8 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 3.4 kB, which is 18% 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 14.6 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 147.2 kB

  • Original 1.5 MB
  • After minification 1.4 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. Itwork images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 52.7 kB

  • Original 78.7 kB
  • After minification 76.8 kB
  • After compression 26.0 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 52.7 kB or 67% of the original size.

CSS Optimization

-82%

Potential reduce by 11.4 kB

  • Original 13.9 kB
  • After minification 12.1 kB
  • After compression 2.5 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. Itwork.cn needs all CSS files to be minified and compressed as it can save up to 11.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (18%)

Requests Now

40

After Optimization

33

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itwork. 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.

SEO Factors

itwork.cn SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Itwork.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Itwork.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

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