Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

leancloud.cn

LeanCloud(美味书签)

Page Load Speed

7.2 sec in total

First Response

388 ms

Resources Loaded

6.4 sec

Page Rendered

360 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 388 ms and then it took 6.8 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

leancloud.cn performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value1,320 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value9.3 s

32/100

10%

Network Requests Diagram

www.leancloud.cn

388 ms

www.leancloud.cn

402 ms

main.cbbf2041.css

2041 ms

server.b2fa22d1.svg

221 ms

platform.2b63eda1.svg

224 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 95% of them (20 requests) were addressed to the original Leancloud.cn, 5% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Leancloud.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.8 kB (8%)

Content Size

476.5 kB

After Optimization

440.7 kB

In fact, the total size of Leancloud.cn main page is 476.5 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 283.0 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 29.8 kB

  • Original 42.1 kB
  • After minification 42.1 kB
  • After compression 12.3 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 29.8 kB or 71% of the original size.

Image Optimization

-6%

Potential reduce by 4.6 kB

  • Original 76.6 kB
  • After minification 72.0 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 1.4 kB

  • Original 283.0 kB
  • After minification 283.0 kB
  • After compression 281.6 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

-0%

Potential reduce by 0 B

  • Original 74.8 kB
  • After minification 74.8 kB
  • After compression 74.8 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 has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lean Cloud. According to our analytics all requests are already optimized.

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

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: