Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

crsc.com.cn

中国通号网 > 首页

Page Load Speed

90 sec in total

First Response

17.3 sec

Resources Loaded

72.5 sec

Page Rendered

290 ms

crsc.com.cn screenshot

About Website

Visit crsc.com.cn now to see the best up-to-date Crsc content for China and also check out these interesting facts you probably never knew about crsc.com.cn

中国铁路通信信号股份有限公司拥有轨道交通控制领域系统集成、科研设计、设备制造、工程安装和技术服务于一体的完整产业链,是中国铁路通信信号系统制式、标准规范编制单位。

Visit crsc.com.cn

Key Findings

We analyzed Crsc.com.cn page load time and found that the first response time was 17.3 sec and then it took 72.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 34 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

crsc.com.cn performance score

0

Network Requests Diagram

crsc.com.cn

17261 ms

default.css

3957 ms

Menu.css

1070 ms

style.css

1593 ms

module.css

5486 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 86% of them (84 requests) were addressed to the original Crsc.com.cn, 8% (8 requests) were made to Hq.sinajs.cn and 1% (1 request) were made to S95.cnzz.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Crsc.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 315.4 kB (65%)

Content Size

484.4 kB

After Optimization

169.0 kB

In fact, the total size of Crsc.com.cn main page is 484.4 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. 20% of websites need less resources to load. Javascripts take 261.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 69.1 kB

  • Original 84.5 kB
  • After minification 80.1 kB
  • After compression 15.4 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 69.1 kB or 82% of the original size.

Image Optimization

-20%

Potential reduce by 16.7 kB

  • Original 82.9 kB
  • After minification 66.2 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, Crsc needs image optimization as it can save up to 16.7 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 183.6 kB

  • Original 261.1 kB
  • After minification 229.3 kB
  • After compression 77.5 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 183.6 kB or 70% of the original size.

CSS Optimization

-82%

Potential reduce by 46.0 kB

  • Original 56.0 kB
  • After minification 42.2 kB
  • After compression 10.0 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. Crsc.com.cn needs all CSS files to be minified and compressed as it can save up to 46.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (79%)

Requests Now

62

After Optimization

13

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crsc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

SEO Factors

crsc.com.cn SEO score

0

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 Crsc.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 Crsc.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

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