Tools & Wizards About Us
liulishuo.com screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

liulishuo.com

英语流利说 - 轻松学英语，用人工智能老师

Page Load Speed

47.3 sec in total

First Response

6.8 sec

Resources Loaded

40 sec

Page Rendered

437 ms

liulishuo.com screenshot

About Website

Click here to check amazing Liulishuo content for China. Otherwise, check out these important facts you probably never knew about liulishuo.com

流利说（LAIX）是领先的人工智能驱动的教育科技公司。作为智能教育的倡行者，流利说拥有一支业内领先的人工智能团队，其自主研发的人工智能英语老师，基于深度学习技术，能够为每一位用户提供个性化、自适应的学习课程。

Visit liulishuo.com

Key Findings

We analyzed Liulishuo.com page load time and found that the first response time was 6.8 sec and then it took 40.5 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. Unfortunately, there were 13 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

liulishuo.com performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.4 s

60/100

10%

Network Requests Diagram

liulishuo.com

6839 ms

common.min.css

3170 ms

index.min.css

15661 ms

api.lib.min.js

1557 ms

vendor.bundle.js

20086 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 81% of them (21 requests) were addressed to the original Liulishuo.com, 8% (2 requests) were made to Google-analytics.com and 8% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Liulishuo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.4 kB (24%)

Content Size

312.4 kB

After Optimization

236.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Liulishuo.com main page is 312.4 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. Only 5% of websites need less resources to load. Images take 250.7 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 10.8 kB

  • Original 14.7 kB
  • After minification 12.0 kB
  • After compression 3.8 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 2.7 kB, which is 18% 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 10.8 kB or 74% of the original size.

Image Optimization

-18%

Potential reduce by 46.1 kB

  • Original 250.7 kB
  • After minification 204.6 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, Liulishuo needs image optimization as it can save up to 46.1 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-24%

Potential reduce by 6.9 kB

  • Original 29.2 kB
  • After minification 29.2 kB
  • After compression 22.3 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 6.9 kB or 24% of the original size.

CSS Optimization

-71%

Potential reduce by 12.6 kB

  • Original 17.8 kB
  • After minification 17.8 kB
  • After compression 5.2 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. Liulishuo.com needs all CSS files to be minified and compressed as it can save up to 12.6 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (50%)

Requests Now

12

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Liulishuo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

liulishuo.com

liulishuo.com

6839 ms

common.min.css

common.min.css

3170 ms

index.min.css

index.min.css

15661 ms

api.lib.min.js

api.lib.min.js

1557 ms

vendor.bundle.js

vendor.bundle.js

20086 ms

index.bundle.js

index.bundle.js

3948 ms

common.png

common.png

4303 ms

banner.png

banner.png

19719 ms

icons.png

icons.png

11594 ms

site_1.png

site_1.png

19718 ms

site_2.png

site_2.png

19719 ms

site_3.png

site_3.png

19718 ms

site_4.png

site_4.png

19718 ms

site_5.png

site_5.png

19718 ms

site_6.png

site_6.png

19718 ms

site_7.png

site_7.png

19719 ms

site_8.png

site_8.png

19718 ms

site_9.png

site_9.png

19718 ms

download.png

download.png

19718 ms

phones.png

phones.png

19718 ms

ga.js

ga.js

130 ms

hm.js

hm.js

1943 ms

__utm.gif

__utm.gif

39 ms

hm.gif

hm.gif

412 ms

common.min.css

common.min.css

1036 ms

index.min.css

index.min.css

2082 ms

Accessibility Review

liulishuo.com accessibility score

76

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

liulishuo.com best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

liulishuo.com SEO score

100

Search Engine Optimization Advices

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 Liulishuo.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 Liulishuo.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

liulishuo.com

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