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Report Summary

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    Performance

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    Accessibility

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    Best Practices

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    SEO

91python.com

一步一步学python-91python

Page Load Speed

2.9 sec in total

First Response

525 ms

Resources Loaded

2.3 sec

Page Rendered

132 ms

91python.com screenshot

About Website

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

记录python学习路上的各种折腾

Visit 91python.com

Key Findings

We analyzed 91python.com page load time and found that the first response time was 525 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

91python.com performance score

0

Network Requests Diagram

91python.com

525 ms

blog.91python.com

1522 ms

css

26 ms

main.css

54 ms

prefixfree.js

69 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 7% of them (1 request) were addressed to the original 91python.com, 60% (9 requests) were made to Blog.91python.com and 13% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Blog.91python.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 53.9 kB (59%)

Content Size

91.7 kB

After Optimization

37.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 91python.com main page is 91.7 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. Javascripts take 52.9 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 13.5 kB

  • Original 19.6 kB
  • After minification 19.6 kB
  • After compression 6.2 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. 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 13.5 kB or 69% of the original size.

Image Optimization

-4%

Potential reduce by 362 B

  • Original 8.1 kB
  • After minification 7.8 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. 91 Python images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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 32.0 kB or 60% of the original size.

CSS Optimization

-74%

Potential reduce by 8.1 kB

  • Original 11.0 kB
  • After minification 10.9 kB
  • After compression 2.9 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. 91python.com needs all CSS files to be minified and compressed as it can save up to 8.1 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (73%)

Requests Now

11

After Optimization

3

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 91 Python. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

91python.com

91python.com

525 ms

blog.91python.com

blog.91python.com

1522 ms

css

css

26 ms

main.css

main.css

54 ms

prefixfree.js

prefixfree.js

69 ms

jquery-2.1.3.min.js

jquery-2.1.3.min.js

106 ms

jquery.pjax.js

jquery.pjax.js

62 ms

nprogress.js

nprogress.js

58 ms

main.js

main.js

59 ms

avatar.jpeg

avatar.jpeg

65 ms

css

css

43 ms

main.css

main.css

51 ms

cJZKeOuBrn4kERxqtaUH3SZ2oysoEQEeKwjgmXLRnTc.ttf

cJZKeOuBrn4kERxqtaUH3SZ2oysoEQEeKwjgmXLRnTc.ttf

8 ms

MTP_ySUJH_bn48VBG8sNSpS3E-kSBmtLoNJPDtbj2Pk.ttf

MTP_ySUJH_bn48VBG8sNSpS3E-kSBmtLoNJPDtbj2Pk.ttf

41 ms

analytics.js

analytics.js

21 ms

SEO Factors

91python.com 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 91python.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 91python.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

91python.com

Open Graph description is not detected on the main page of 91 Python. 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: