Tools & Wizards About Us
b12.cn screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

b12.cn

www.b12.cn-官网首页

Page Load Speed

3.5 sec in total

First Response

610 ms

Resources Loaded

2.8 sec

Page Rendered

110 ms

b12.cn screenshot

About Website

Visit b12.cn now to see the best up-to-date B 12 content for China and also check out these interesting facts you probably never knew about b12.cn

b12.cn

Visit b12.cn

Key Findings

We analyzed B12.cn page load time and found that the first response time was 610 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

b12.cn performance score

0

Network Requests Diagram

b12.cn

610 ms

jquery.js

1248 ms

style.css

1274 ms

stencil.css

1012 ms

2882802.js

677 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 9% of them (1 request) were addressed to the original B12.cn, 73% (8 requests) were made to 4.cn and 9% (1 request) were made to Libs.baidu.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source 4.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.6 kB (28%)

Content Size

213.5 kB

After Optimization

153.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of B12.cn main page is 213.5 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. 20% of websites need less resources to load. Images take 108.2 kB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 2.8 kB

  • Original 5.0 kB
  • After minification 4.5 kB
  • After compression 2.1 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 2.8 kB or 57% of the original size.

Image Optimization

-10%

Potential reduce by 10.7 kB

  • Original 108.2 kB
  • After minification 97.5 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. B 12 images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 40.3 kB

  • Original 81.5 kB
  • After minification 81.5 kB
  • After compression 41.2 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 40.3 kB or 49% of the original size.

CSS Optimization

-30%

Potential reduce by 5.7 kB

  • Original 18.8 kB
  • After minification 18.8 kB
  • After compression 13.0 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. B12.cn needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 30% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of B 12. According to our analytics all requests are already optimized.

Network Requests Diagram

b12.cn

b12.cn

610 ms

jquery.js

jquery.js

1248 ms

style.css

style.css

1274 ms

stencil.css

stencil.css

1012 ms

2882802.js

2882802.js

677 ms

a-pic.jpg

a-pic.jpg

485 ms

a-header-bg.jpg

a-header-bg.jpg

244 ms

a-banner.jpg

a-banner.jpg

731 ms

icon.png

icon.png

487 ms

a-content-bg.jpg

a-content-bg.jpg

729 ms

a-pic.jpg

a-pic.jpg

497 ms

SEO Factors

b12.cn SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise B12.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 B12.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

b12.cn

Open Graph description is not detected on the main page of B 12. 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: