Tools & Wizards About Us
leancloud.cn screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

leancloud.cn

LeanCloud

Page Load Speed

38.7 sec in total

First Response

1.1 sec

Resources Loaded

36.7 sec

Page Rendered

878 ms

leancloud.cn screenshot

About Website

Welcome to leancloud.cn homepage info - get ready to check Lean Cloud best content for China right away, or after learning these important things about leancloud.cn

领先的 BaaS 提供商，提供数据存储、文件存储、云引擎、容器、即时通讯、消息推送、短信、游戏云等多项服务，为移动开发提供强有力的后端支持。

Visit leancloud.cn

Key Findings

We analyzed Leancloud.cn page load time and found that the first response time was 1.1 sec and then it took 37.6 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.

Performance Metrics

leancloud.cn performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value7.3 s

49/100

10%

Network Requests Diagram

leancloud.cn

1089 ms

leancloud.cn

2971 ms

8f74cc2a.app.css

2903 ms

4ca42227.all.js

13927 ms

0fedcbf0.dashboard.js

10302 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 92% of them (44 requests) were addressed to the original Leancloud.cn, 6% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (17.4 sec) belongs to the original domain Leancloud.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 536.8 kB (35%)

Content Size

1.5 MB

After Optimization

990.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Leancloud.cn main page is 1.5 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. 50% of websites need less resources to load. Images take 887.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 29.3 kB

  • Original 37.7 kB
  • After minification 37.6 kB
  • After compression 8.4 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 29.3 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 887.0 kB
  • After minification 887.0 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. Lean Cloud images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-87%

Potential reduce by 507.4 kB

  • Original 581.3 kB
  • After minification 581.0 kB
  • After compression 73.8 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. Leancloud.cn needs all CSS files to be minified and compressed as it can save up to 507.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (7%)

Requests Now

42

After Optimization

39

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lean Cloud. 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 as a result speed up the page load time.

Network Requests Diagram

leancloud.cn

leancloud.cn

1089 ms

leancloud.cn

leancloud.cn

2971 ms

8f74cc2a.app.css

8f74cc2a.app.css

2903 ms

4ca42227.all.js

4ca42227.all.js

13927 ms

0fedcbf0.dashboard.js

0fedcbf0.dashboard.js

10302 ms

6180fd74.homepage.js

6180fd74.homepage.js

3959 ms

analytics.js

analytics.js

1572 ms

client-uber.jpg

client-uber.jpg

2596 ms

client-homelink.jpg

client-homelink.jpg

1983 ms

client-huodongxing.jpg

client-huodongxing.jpg

1542 ms

client-edaixi.jpg

client-edaixi.jpg

1540 ms

client-dingxiangyisheng.jpg

client-dingxiangyisheng.jpg

4587 ms

client-zhihu.jpg

client-zhihu.jpg

4987 ms

client-shanbeidanci.jpg

client-shanbeidanci.jpg

2633 ms

client-dongqiudi.jpg

client-dongqiudi.jpg

2855 ms

client-tangyuanchuangzuo.jpg

client-tangyuanchuangzuo.jpg

5037 ms

client-huanqiuxinjunshi.jpg

client-huanqiuxinjunshi.jpg

8643 ms

client-echo.jpg

client-echo.jpg

3784 ms

client-doupai.jpg

client-doupai.jpg

4066 ms

client-kind.jpg

client-kind.jpg

4526 ms

client-qingsongchou.jpg

client-qingsongchou.jpg

4903 ms

client-wecut.jpg

client-wecut.jpg

5312 ms

client-lakala.jpg

client-lakala.jpg

6873 ms

client-mochameizhuang.jpg

client-mochameizhuang.jpg

5310 ms

client-mingxingyichu.jpg

client-mingxingyichu.jpg

11448 ms

client-tiantianmanhua.jpg

client-tiantianmanhua.jpg

6955 ms

client-zhenpinwang.jpg

client-zhenpinwang.jpg

6389 ms

client-juezhanmiaoxing.jpg

client-juezhanmiaoxing.jpg

6097 ms

client-hanziwangguo.jpg

client-hanziwangguo.jpg

8493 ms

client-beiwo.jpg

client-beiwo.jpg

8630 ms

client-fengkuanglianliankan.jpg

client-fengkuanglianliankan.jpg

15488 ms

client-animetaste.jpg

client-animetaste.jpg

7291 ms

client-meweizazhi.jpg

client-meweizazhi.jpg

9200 ms

client-tower.jpg

client-tower.jpg

11805 ms

client-zhoubotong.jpg

client-zhoubotong.jpg

10527 ms

client-kemai.jpg

client-kemai.jpg

17435 ms

client-bearychat.jpg

client-bearychat.jpg

13835 ms

client-ikair.jpg

client-ikair.jpg

11323 ms

client-yeshouqixing.jpg

client-yeshouqixing.jpg

13144 ms

client-tanghushi.jpg

client-tanghushi.jpg

15350 ms

client-xiaok.jpg

client-xiaok.jpg

12598 ms

client-dabo.jpg

client-dabo.jpg

16042 ms

self

self

13182 ms

__utm.gif

__utm.gif

68 ms

nootype_-_radikal_bold-webfont.woff

nootype_-_radikal_bold-webfont.woff

13158 ms

ui-icon.woff

ui-icon.woff

16147 ms

collect

collect

25 ms

collect

collect

113 ms

Accessibility Review

leancloud.cn accessibility score

79

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

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

leancloud.cn 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

leancloud.cn SEO score

92

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

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

High

Tap targets are not sized appropriately

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 Leancloud.cn 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 Leancloud.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

leancloud.cn

Open Graph data is detected on the main page of Lean Cloud. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: