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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

91ex.com

防爆电气网—专业的防爆技术学习与防爆产品推广基地

Page Load Speed

46.3 sec in total

First Response

11.7 sec

Resources Loaded

33.7 sec

Page Rendered

874 ms

About Website

Welcome to 91ex.com homepage info - get ready to check 91 Ex best content right away, or after learning these important things about 91ex.com

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Visit 91ex.com

Key Findings

We analyzed 91ex.com page load time and found that the first response time was 11.7 sec and then it took 34.6 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.

Performance Metrics

91ex.com performance score

0

Network Requests Diagram

91ex.com

11705 ms

stylechinaz.css

1889 ms

SpryTabbedPanels.css

1261 ms

chinaz.js

4076 ms

title.js

926 ms

Our browser made a total of 160 requests to load all elements on the main page. We found that 63% of them (100 requests) were addressed to the original 91ex.com, 6% (10 requests) were made to V2.jiathis.com and 3% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Cpro.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 447.7 kB (55%)

Content Size

807.9 kB

After Optimization

360.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 91ex.com main page is 807.9 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. 45% of websites need less resources to load. Javascripts take 284.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 147.2 kB

  • Original 180.0 kB
  • After minification 170.7 kB
  • After compression 32.7 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 147.2 kB or 82% of the original size.

Image Optimization

-12%

Potential reduce by 25.8 kB

  • Original 213.3 kB
  • After minification 187.5 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, 91 Ex needs image optimization as it can save up to 25.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 162.5 kB

  • Original 284.0 kB
  • After minification 277.9 kB
  • After compression 121.5 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 162.5 kB or 57% of the original size.

CSS Optimization

-86%

Potential reduce by 112.1 kB

  • Original 130.7 kB
  • After minification 103.4 kB
  • After compression 18.5 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. 91ex.com needs all CSS files to be minified and compressed as it can save up to 112.1 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 58 (38%)

Requests Now

152

After Optimization

94

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 152 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 91 Ex. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

SEO Factors

91ex.com SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 91ex.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 91ex.com 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 91 Ex. 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: