Tools & Wizards About Us
mail.caas.cn screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 77

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

mail.caas.cn

中国农业科学院邮件系统

Page Load Speed

5.9 sec in total

First Response

963 ms

Resources Loaded

4.8 sec

Page Rendered

123 ms

mail.caas.cn screenshot

About Website

Visit mail.caas.cn now to see the best up-to-date Mail Caas content for China and also check out these interesting facts you probably never knew about mail.caas.cn

网易企业邮箱

Visit mail.caas.cn

Key Findings

We analyzed Mail.caas.cn page load time and found that the first response time was 963 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

mail.caas.cn performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value19.0 s

0/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.9 s

44/100

10%

Network Requests Diagram

mail.caas.cn

963 ms

mail.caas.cn

1159 ms

style.css

229 ms

login.css

453 ms

login.js

691 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Mail.caas.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Mail.caas.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.2 kB (21%)

Content Size

215.4 kB

After Optimization

170.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mail.caas.cn main page is 215.4 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 10% of websites need less resources to load. Images take 198.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 3.9 kB

  • Original 5.3 kB
  • After minification 3.7 kB
  • After compression 1.4 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. This page needs HTML code to be minified as it can gain 1.7 kB, which is 31% 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 3.9 kB or 73% of the original size.

Image Optimization

-17%

Potential reduce by 33.2 kB

  • Original 198.3 kB
  • After minification 165.1 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, Mail Caas needs image optimization as it can save up to 33.2 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 2.4 kB

  • Original 3.9 kB
  • After minification 3.7 kB
  • After compression 1.5 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 2.4 kB or 62% of the original size.

CSS Optimization

-72%

Potential reduce by 5.7 kB

  • Original 7.9 kB
  • After minification 6.6 kB
  • After compression 2.2 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. Mail.caas.cn needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 72% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mail Caas. According to our analytics all requests are already optimized.

Network Requests Diagram

mail.caas.cn

mail.caas.cn

963 ms

mail.caas.cn

mail.caas.cn

1159 ms

style.css

style.css

229 ms

login.css

login.css

453 ms

login.js

login.js

691 ms

logo.jpg

logo.jpg

897 ms

main.jpg

main.jpg

2020 ms

login_03.gif

login_03.gif

472 ms

login_05.gif

login_05.gif

698 ms

login_07.gif

login_07.gif

920 ms

title01.jpg

title01.jpg

1123 ms

button.gif

button.gif

1124 ms

footerbg.jpg

footerbg.jpg

1127 ms

Accessibility Review

mail.caas.cn accessibility score

61

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

mail.caas.cn best practices score

77

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

mail.caas.cn SEO score

77

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

High

Page is blocked from indexing

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 uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mail.caas.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 Mail.caas.cn main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

mail.caas.cn

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