Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

Page Load Speed

26.9 sec in total

First Response

1 sec

Resources Loaded

24.6 sec

Page Rendered

1.2 sec

chinasmartgrid.com.cn screenshot

About Website

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

北极星智能电网在线是中国首个智能电网资讯门户站,包括智能电网相关市场、项目、技术等综合信息平台

Visit chinasmartgrid.com.cn

Key Findings

We analyzed Chinasmartgrid.com.cn page load time and found that the first response time was 1 sec and then it took 25.8 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 25 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

chinasmartgrid.com.cn performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.3 s

72/100

10%

Network Requests Diagram

chinasmartgrid.com.cn

1049 ms

www.chinasmartgrid.com.cn

2197 ms

public_style.css

444 ms

zndw_new.css

429 ms

zndwtopnew.css

449 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 8% of them (9 requests) were addressed to the original Chinasmartgrid.com.cn, 37% (42 requests) were made to Img.mybjx.net and 23% (26 requests) were made to Img02.bjx.com.cn. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Img01.bjx.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 372.0 kB (27%)

Content Size

1.4 MB

After Optimization

1.0 MB

In fact, the total size of Chinasmartgrid.com.cn main page is 1.4 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. 35% of websites need less resources to load. Images take 976.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 124.2 kB

  • Original 150.5 kB
  • After minification 147.6 kB
  • After compression 26.4 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 124.2 kB or 82% of the original size.

Image Optimization

-10%

Potential reduce by 96.3 kB

  • Original 976.2 kB
  • After minification 879.9 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. Chinasmartgrid images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 112.2 kB

  • Original 206.5 kB
  • After minification 196.6 kB
  • After compression 94.3 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 112.2 kB or 54% of the original size.

CSS Optimization

-78%

Potential reduce by 39.3 kB

  • Original 50.1 kB
  • After minification 49.1 kB
  • After compression 10.8 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. Chinasmartgrid.com.cn needs all CSS files to be minified and compressed as it can save up to 39.3 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (43%)

Requests Now

87

After Optimization

50

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chinasmartgrid. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

chinasmartgrid.com.cn accessibility score

40

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.

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

chinasmartgrid.com.cn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

chinasmartgrid.com.cn SEO score

92

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chinasmartgrid.com.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 Chinasmartgrid.com.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 Chinasmartgrid. 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: