Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

greenjn.cn

绿色节能网-国内领先的节能环保产业服务平台

Page Load Speed

48.8 sec in total

First Response

4.2 sec

Resources Loaded

43.7 sec

Page Rendered

916 ms

greenjn.cn screenshot

About Website

Visit greenjn.cn now to see the best up-to-date Greenjn content and also check out these interesting facts you probably never knew about greenjn.cn

绿色节能环保网(www.greenjn.cn)国内领先的节能环保产业服务平台;节能环保企业提供产品设备发布,商机发布、技术文档、工程案例、解决方案、人才招聘等信息服务;同时,还不定期组织会员企业主办些项目对接会,技术论坛峰会,主题沙龙,企业走访考察团,投融资大会等线下活动。

Visit greenjn.cn

Key Findings

We analyzed Greenjn.cn page load time and found that the first response time was 4.2 sec and then it took 44.7 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 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

greenjn.cn performance score

0

Network Requests Diagram

greenjn.cn

4181 ms

Style.css

4403 ms

index.css

4100 ms

lang.js

4092 ms

config.js

4097 ms

Our browser made a total of 122 requests to load all elements on the main page. We found that all of those requests were addressed to Greenjn.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Greenjn.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 349.8 kB (42%)

Content Size

835.0 kB

After Optimization

485.2 kB

In fact, the total size of Greenjn.cn main page is 835.0 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. 35% of websites need less resources to load. Images take 450.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 79.9 kB

  • Original 98.2 kB
  • After minification 87.3 kB
  • After compression 18.3 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 10.9 kB, which is 11% 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 79.9 kB or 81% of the original size.

Image Optimization

-16%

Potential reduce by 70.8 kB

  • Original 450.8 kB
  • After minification 380.1 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, Greenjn needs image optimization as it can save up to 70.8 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 143.5 kB

  • Original 219.2 kB
  • After minification 211.5 kB
  • After compression 75.6 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 143.5 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 55.5 kB

  • Original 66.7 kB
  • After minification 60.0 kB
  • After compression 11.2 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. Greenjn.cn needs all CSS files to be minified and compressed as it can save up to 55.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (9%)

Requests Now

118

After Optimization

107

The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Greenjn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

SEO Factors

greenjn.cn SEO score

0

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 Greenjn.cn 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 Greenjn.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 Greenjn. 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: