Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

china-nengyuan.com

新能源网_全球新能源产业信息平台

Page Load Speed

50.6 sec in total

First Response

1.2 sec

Resources Loaded

48.2 sec

Page Rendered

1.3 sec

china-nengyuan.com screenshot

About Website

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

新能源网(china-nengyuan.com)--全球领先的新能源产业综合类电子商务网站,新能源产业信息门户。专业提供新能源、可再生能源企业大全,新能源、可再生能源产品大全,新能源、可再生能源供求信息,新能源、可再生能源行业资讯,新能源、可再生能源技术交流,新能源、可再生能源展会会议信息等。专注于新能源、可再生能源,服务广大新能源企业。新能源网致力成为全球新能源产业的重要元素和主流媒体。

Visit china-nengyuan.com

Key Findings

We analyzed China-nengyuan.com page load time and found that the first response time was 1.2 sec and then it took 49.4 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 12 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

china-nengyuan.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.179

68/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

china-nengyuan.com

1168 ms

www.china-nengyuan.com

14109 ms

style.css

2620 ms

jquery.js

4203 ms

ymPrompt.js

863 ms

Our browser made a total of 146 requests to load all elements on the main page. We found that 29% of them (43 requests) were addressed to the original China-nengyuan.com, 55% (81 requests) were made to File.china-nengyuan.com and 5% (7 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source File.china-nengyuan.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 655.9 kB (40%)

Content Size

1.6 MB

After Optimization

965.4 kB

In fact, the total size of China-nengyuan.com 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. 40% of websites need less resources to load. Images take 987.3 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 427.6 kB

  • Original 493.8 kB
  • After minification 428.2 kB
  • After compression 66.2 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 65.5 kB, which is 13% 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 427.6 kB or 87% of the original size.

Image Optimization

-13%

Potential reduce by 130.0 kB

  • Original 987.3 kB
  • After minification 857.4 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, China Nengyuan needs image optimization as it can save up to 130.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 73.0 kB

  • Original 107.0 kB
  • After minification 83.5 kB
  • After compression 34.0 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 73.0 kB or 68% of the original size.

CSS Optimization

-76%

Potential reduce by 25.3 kB

  • Original 33.2 kB
  • After minification 29.7 kB
  • After compression 7.9 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. China-nengyuan.com needs all CSS files to be minified and compressed as it can save up to 25.3 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (30%)

Requests Now

132

After Optimization

93

The browser has sent 132 CSS, Javascripts, AJAX and image requests in order to completely render the main page of China Nengyuan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

china-nengyuan.com accessibility score

48

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

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

china-nengyuan.com 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

china-nengyuan.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise China-nengyuan.com 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 China-nengyuan.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 Nengyuan. 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: