Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

yunpan.cn

360安全云盘 - 安全存储的云盘

Page Load Speed

41.5 sec in total

First Response

1.7 sec

Resources Loaded

39 sec

Page Rendered

775 ms

yunpan.cn screenshot

About Website

Welcome to yunpan.cn homepage info - get ready to check Yunpan best content for United States right away, or after learning these important things about yunpan.cn

360安全云盘是智能高效办公云盘。可以安全存储个人数据、实现多端同步、自动备份、在线编辑文档进行高效办公,可跨平台使用,支持PC电脑、Android手机、iPhone手机数据备份、同步,随时随地移动办公。

Visit yunpan.cn

Key Findings

We analyzed Yunpan.cn page load time and found that the first response time was 1.7 sec and then it took 39.8 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

yunpan.cn performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.2 s

0/100

25%

SI (Speed Index)

Value27.3 s

0/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

yunpan.cn

1713 ms

yunpan.360.cn

4113 ms

style.css

4530 ms

font-awesome.min.css

8392 ms

index.css

2655 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Yunpan.cn, 47% (33 requests) were made to Yunpan.360.cn and 13% (9 requests) were made to P3.ssl.qhimg.com. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Yunpan.360.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (14%)

Content Size

17.8 MB

After Optimization

15.4 MB

In fact, the total size of Yunpan.cn main page is 17.8 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. 50% of websites need less resources to load. Images take 17.2 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 50.4 kB

  • Original 62.7 kB
  • After minification 46.4 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. This page needs HTML code to be minified as it can gain 16.2 kB, which is 26% 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 50.4 kB or 80% of the original size.

Image Optimization

-11%

Potential reduce by 2.0 MB

  • Original 17.2 MB
  • After minification 15.2 MB

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, Yunpan needs image optimization as it can save up to 2.0 MB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 225.0 kB

  • Original 307.0 kB
  • After minification 282.8 kB
  • After compression 82.1 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 225.0 kB or 73% of the original size.

CSS Optimization

-83%

Potential reduce by 177.5 kB

  • Original 215.1 kB
  • After minification 185.5 kB
  • After compression 37.6 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. Yunpan.cn needs all CSS files to be minified and compressed as it can save up to 177.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (21%)

Requests Now

66

After Optimization

52

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yunpan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

yunpan.cn accessibility score

49

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.

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

Image elements do not have [alt] attributes

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

yunpan.cn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

yunpan.cn SEO score

77

Search Engine Optimization Advices

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yunpan.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Yunpan.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 description is not detected on the main page of Yunpan. 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: