Tools & Wizards About Us
rongcloud.cn screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

rongcloud.cn

融云-为用户提供IM即时通讯和实时音视频通信云服务

Page Load Speed

8 sec in total

First Response

763 ms

Resources Loaded

6.8 sec

Page Rendered

478 ms

rongcloud.cn screenshot

About Website

Click here to check amazing Rongcloud content for China. Otherwise, check out these important facts you probably never knew about rongcloud.cn

融云，安全、可靠的全球互联网通信云服务商。为开发者和企业提供安全、稳定、可靠、覆盖全球的即时通讯和实时音视频通信云服务。服务覆盖全球所有国家及地区。

Visit rongcloud.cn

Key Findings

We analyzed Rongcloud.cn page load time and found that the first response time was 763 ms and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

rongcloud.cn performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value600 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.075

95/100

15%

TTI (Time to Interactive)

Value18.3 s

3/100

10%

Network Requests Diagram

rongcloud.cn

763 ms

www.rongcloud.cn

1064 ms

collect-rangers-v5.1.9.js

535 ms

28e8b23dfe63d201.css

1303 ms

209357a234993ff1.css

1113 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 78% of them (68 requests) were addressed to the original Rongcloud.cn, 21% (18 requests) were made to Static-c1.rongcloud.cn and 1% (1 request) were made to Lf3-data.volccdn.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Rongcloud.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 765.5 kB (21%)

Content Size

3.7 MB

After Optimization

3.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rongcloud.cn main page is 3.7 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. 25% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 158.4 kB

  • Original 179.3 kB
  • After minification 179.2 kB
  • After compression 20.9 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 158.4 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 45.6 kB

  • Original 2.7 MB
  • After minification 2.7 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. Rongcloud images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 543.3 kB

  • Original 825.9 kB
  • After minification 825.9 kB
  • After compression 282.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 543.3 kB or 66% of the original size.

CSS Optimization

-71%

Potential reduce by 18.2 kB

  • Original 25.7 kB
  • After minification 7.5 kB
  • After compression 7.5 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. Rongcloud.cn needs all CSS files to be minified and compressed as it can save up to 18.2 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (28%)

Requests Now

85

After Optimization

61

  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rongcloud. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rongcloud.cn

rongcloud.cn

763 ms

www.rongcloud.cn

www.rongcloud.cn

1064 ms

collect-rangers-v5.1.9.js

collect-rangers-v5.1.9.js

535 ms

28e8b23dfe63d201.css

28e8b23dfe63d201.css

1303 ms

209357a234993ff1.css

209357a234993ff1.css

1113 ms

polyfills-78c92fac7aa8fdd8.js

polyfills-78c92fac7aa8fdd8.js

1523 ms

webpack-f573d4c77df18b98.js

webpack-f573d4c77df18b98.js

1118 ms

framework-aa1fd93d6e030c3d.js

framework-aa1fd93d6e030c3d.js

1779 ms

main-dcc62db3497f46cd.js

main-dcc62db3497f46cd.js

1756 ms

_app-be64472d50349be0.js

_app-be64472d50349be0.js

2362 ms

534-3f30dd4a5dc2eec0.js

534-3f30dd4a5dc2eec0.js

1400 ms

3986-db9535e73366a7b1.js

3986-db9535e73366a7b1.js

1521 ms

9550-12fe76bacd7d55c7.js

9550-12fe76bacd7d55c7.js

1549 ms

index-40bf1dcfb6825c26.js

index-40bf1dcfb6825c26.js

1735 ms

_buildManifest.js

_buildManifest.js

1733 ms

_ssgManifest.js

_ssgManifest.js

1760 ms

image

image

494 ms

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image

878 ms

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image

925 ms

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946 ms

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1263 ms

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1224 ms

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1397 ms

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1395 ms

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1395 ms

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1288 ms

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1563 ms

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1602 ms

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1628 ms

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1641 ms

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1687 ms

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1673 ms

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1963 ms

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1937 ms

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2056 ms

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1968 ms

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2011 ms

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2029 ms

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2275 ms

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2298 ms

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2298 ms

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2441 ms

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2358 ms

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2612 ms

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2784 ms

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2837 ms

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2950 ms

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2940 ms

product-list-title-icon.svg

product-list-title-icon.svg

2481 ms

image

image

2169 ms

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2213 ms

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2247 ms

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2075 ms

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2064 ms

tab-bg.e5dc548f.png

tab-bg.e5dc548f.png

1067 ms

arrow-empty.svg

arrow-empty.svg

634 ms

boxbg1.adf616f5.png

boxbg1.adf616f5.png

645 ms

boxbg2.45383d45.png

boxbg2.45383d45.png

670 ms

boxbg3.d284db5e.png

boxbg3.d284db5e.png

690 ms

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1992 ms

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2073 ms

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2146 ms

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2067 ms

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2037 ms

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2060 ms

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2133 ms

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2020 ms

demo-detail-img.png

demo-detail-img.png

2370 ms

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2465 ms

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2789 ms

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2011 ms

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2279 ms

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2289 ms

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2294 ms

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2357 ms

footer_expansion.svg

footer_expansion.svg

2403 ms

Accessibility Review

rongcloud.cn accessibility score

77

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

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

rongcloud.cn 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

rongcloud.cn SEO score

98

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

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 Rongcloud.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 Rongcloud.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

rongcloud.cn

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