Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

numbbbbb.gitbooks.io

梁杰 (@numbbbbb) on GitBook · GitBook (Legacy)

Page Load Speed

2.2 sec in total

First Response

151 ms

Resources Loaded

1.6 sec

Page Rendered

389 ms

numbbbbb.gitbooks.io screenshot

About Website

Visit numbbbbb.gitbooks.io now to see the best up-to-date Numbbbbb Git Book S content for China and also check out these interesting facts you probably never knew about numbbbbb.gitbooks.io

Books written by 梁杰 (@numbbbbb). never stop learning!

Visit numbbbbb.gitbooks.io

Key Findings

We analyzed Numbbbbb.gitbooks.io page load time and found that the first response time was 151 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

numbbbbb.gitbooks.io performance score

0

Network Requests Diagram

numbbbbb.gitbooks.io

151 ms

@numbbbbb

196 ms

style.css

24 ms

socicon.css

120 ms

128.png

669 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Numbbbbb.gitbooks.io, 41% (7 requests) were made to Gitbook.com and 18% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Connect.facebook.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 321.5 kB (69%)

Content Size

465.8 kB

After Optimization

144.3 kB

In fact, the total size of Numbbbbb.gitbooks.io main page is 465.8 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. Javascripts take 222.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 13.0 kB

  • Original 17.6 kB
  • After minification 13.8 kB
  • After compression 4.6 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 3.8 kB, which is 22% 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 13.0 kB or 74% of the original size.

Image Optimization

-16%

Potential reduce by 6.9 kB

  • Original 44.2 kB
  • After minification 37.3 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, Numbbbbb Git Book S needs image optimization as it can save up to 6.9 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

-67%

Potential reduce by 148.3 kB

  • Original 222.6 kB
  • After minification 222.6 kB
  • After compression 74.3 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 148.3 kB or 67% of the original size.

CSS Optimization

-85%

Potential reduce by 153.3 kB

  • Original 181.4 kB
  • After minification 180.5 kB
  • After compression 28.1 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. Numbbbbb.gitbooks.io needs all CSS files to be minified and compressed as it can save up to 153.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (36%)

Requests Now

14

After Optimization

9

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Numbbbbb Git Book S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

SEO Factors

numbbbbb.gitbooks.io SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Numbbbbb.gitbooks.io can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Numbbbbb.gitbooks.io 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 data is detected on the main page of Numbbbbb Git Book S. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: