Tools & Wizards About Us
pythontip.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

pythontip.com

哈希编程 - PythonTip学编程

Page Load Speed

7.4 sec in total

First Response

733 ms

Resources Loaded

6.2 sec

Page Rendered

444 ms

pythontip.com screenshot

About Website

Visit pythontip.com now to see the best up-to-date Python Tip content for China and also check out these interesting facts you probably never knew about pythontip.com

全球最大的中文 Python 学习网站，学习编程的最好方法，面向真实场景，边学边练，零基础无门槛，覆盖 Python 小白到进阶课程。轻松、有趣、好玩，交互式学习，1 v 1 及 社区 答疑。

Visit pythontip.com

Key Findings

We analyzed Pythontip.com page load time and found that the first response time was 733 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

pythontip.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value1,720 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

Network Requests Diagram

pythontip.com

733 ms

www.pythontip.com

704 ms

edu.py2fun.com

1136 ms

home

216 ms

home

1653 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 13% of them (2 requests) were addressed to the original Pythontip.com, 69% (11 requests) were made to Python2fun.oss-cn-beijing.aliyuncs.com and 19% (3 requests) were made to Edu.py2fun.com. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Python2fun.oss-cn-beijing.aliyuncs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 416.8 kB (11%)

Content Size

3.8 MB

After Optimization

3.3 MB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Pythontip.com main page is 3.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. HTML takes 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-28%

Potential reduce by 416.2 kB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 1.1 MB

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 416.2 kB or 28% of the original size.

JavaScript Optimization

-0%

Potential reduce by 513 B

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 1.3 MB

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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 57 B

  • Original 965.3 kB
  • After minification 965.3 kB
  • After compression 965.2 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. Pythontip.com has all CSS files already compressed.

Requests Breakdown

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

Requests Now

11

After Optimization

3

  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Python Tip. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

pythontip.com

pythontip.com

733 ms

www.pythontip.com

www.pythontip.com

704 ms

edu.py2fun.com

edu.py2fun.com

1136 ms

home

home

216 ms

home

home

1653 ms

8610d18fdba901d9.css

8610d18fdba901d9.css

2994 ms

06224eef06fa5c21.css

06224eef06fa5c21.css

1228 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

1577 ms

webpack-9c979899e0e07050.js

webpack-9c979899e0e07050.js

1228 ms

framework-ccaa0ceb70ae432f.js

framework-ccaa0ceb70ae432f.js

1833 ms

main-2dbf123cb382613b.js

main-2dbf123cb382613b.js

1261 ms

_app-655216be4b35eb7c.js

_app-655216be4b35eb7c.js

1526 ms

114-bdc4ccc2f0e4d186.js

114-bdc4ccc2f0e4d186.js

2165 ms

index-eda714165b2c190e.js

index-eda714165b2c190e.js

3118 ms

_buildManifest.js

_buildManifest.js

1829 ms

_ssgManifest.js

_ssgManifest.js

1883 ms

Accessibility Review

pythontip.com accessibility score

91

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

Best Practices

pythontip.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

pythontip.com SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

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 Pythontip.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 Pythontip.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

pythontip.com

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