Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

china5e.com

中国能源网

Page Load Speed

12 sec in total

First Response

654 ms

Resources Loaded

10.9 sec

Page Rendered

449 ms

china5e.com screenshot

About Website

Visit china5e.com now to see the best up-to-date China 5 E content for China and also check out these interesting facts you probably never knew about china5e.com

中国能源网是一家提供能源信息与咨询服务的独立第三方,提供能源经济、煤炭、电力、油气、新兴能源、节能环保、页岩气、分布式能源等能源行业的能源资讯、能源分析、能源数据、能源研究等能源信息与咨询服务。

Visit china5e.com

Key Findings

We analyzed China5e.com page load time and found that the first response time was 654 ms and then it took 11.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

china5e.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

china5e.com

654 ms

china5e.com

842 ms

www.china5e.com

4199 ms

base.css

1175 ms

zhengli.css

1182 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 25% of them (27 requests) were addressed to the original China5e.com, 42% (44 requests) were made to Pic.china5e.com and 27% (29 requests) were made to Static.china5e.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain China5e.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 273.8 kB (11%)

Content Size

2.6 MB

After Optimization

2.3 MB

In fact, the total size of China5e.com main page is 2.6 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. 40% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 135.1 kB

  • Original 154.6 kB
  • After minification 93.9 kB
  • After compression 19.5 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 60.7 kB, which is 39% 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 135.1 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 126.7 kB

  • Original 2.3 MB
  • After minification 2.2 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. China 5 E images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 4.4 kB

  • Original 68.3 kB
  • After minification 68.3 kB
  • After compression 64.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-35%

Potential reduce by 7.6 kB

  • Original 21.7 kB
  • After minification 15.4 kB
  • After compression 14.0 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. China5e.com needs all CSS files to be minified and compressed as it can save up to 7.6 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (42%)

Requests Now

102

After Optimization

59

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of China 5 E. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

china5e.com accessibility score

74

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.

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

<frame> or <iframe> elements do not have a title

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

china5e.com best practices score

67

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

SEO Factors

china5e.com SEO score

69

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise China5e.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that China5e.com 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 China 5 E. 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: