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sendo.org.cn screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

sendo.org.cn

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Page Load Speed

22.9 sec in total

First Response

1.3 sec

Resources Loaded

21.4 sec

Page Rendered

180 ms

sendo.org.cn screenshot

About Website

Welcome to sendo.org.cn homepage info - get ready to check Sendo best content right away, or after learning these important things about sendo.org.cn

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Visit sendo.org.cn

Key Findings

We analyzed Sendo.org.cn page load time and found that the first response time was 1.3 sec and then it took 21.6 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

sendo.org.cn performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

54/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

sendo.org.cn

1313 ms

sende.css

462 ms

jquery-1.6.1.min.js

7290 ms

jquery.soChange-min.js

872 ms

tongji.js

770 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 86% of them (24 requests) were addressed to the original Sendo.org.cn, 7% (2 requests) were made to Js.tongji.linezing.com and 4% (1 request) were made to Tiantong99.com. The less responsive or slowest element that took the longest time to load (12.8 sec) belongs to the original domain Sendo.org.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.8 kB (45%)

Content Size

104.8 kB

After Optimization

58.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sendo.org.cn main page is 104.8 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. Images take 58.1 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 9.3 kB

  • Original 13.6 kB
  • After minification 12.7 kB
  • After compression 4.4 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 9.3 kB or 68% of the original size.

Image Optimization

-20%

Potential reduce by 11.7 kB

  • Original 58.1 kB
  • After minification 46.4 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, Sendo needs image optimization as it can save up to 11.7 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 9.3 kB

  • Original 13.1 kB
  • After minification 10.8 kB
  • After compression 3.8 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 9.3 kB or 71% of the original size.

CSS Optimization

-83%

Potential reduce by 16.5 kB

  • Original 20.0 kB
  • After minification 16.4 kB
  • After compression 3.5 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. Sendo.org.cn needs all CSS files to be minified and compressed as it can save up to 16.5 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

27

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sendo. According to our analytics all requests are already optimized.

Network Requests Diagram

sendo.org.cn

sendo.org.cn

1313 ms

sende.css

sende.css

462 ms

jquery-1.6.1.min.js

jquery-1.6.1.min.js

7290 ms

jquery.soChange-min.js

jquery.soChange-min.js

872 ms

tongji.js

tongji.js

770 ms

sende_1.jpg

sende_1.jpg

2256 ms

logo.png

logo.png

887 ms

sende_2.jpg

sende_2.jpg

686 ms

1_1058223301.jpg

1_1058223301.jpg

12810 ms

sende_bannerbg.jpg

sende_bannerbg.jpg

2037 ms

sende_43.jpg

sende_43.jpg

895 ms

sende_44.jpg

sende_44.jpg

2841 ms

sende_45.jpg

sende_45.jpg

1011 ms

sende_46.jpg

sende_46.jpg

1745 ms

1_1116391951.jpg

1_1116391951.jpg

11070 ms

1_1747243981.jpg

1_1747243981.jpg

5346 ms

1_1824079371.jpg

1_1824079371.jpg

1959 ms

1_1118546901.jpg

1_1118546901.jpg

1471 ms

1_1748587091.jpg

1_1748587091.jpg

1952 ms

sende_42.jpg

sende_42.jpg

4324 ms

sende_32.jpg

sende_32.jpg

1327 ms

1_1600463971.jpg

1_1600463971.jpg

2502 ms

chenmingyan.jpg

chenmingyan.jpg

9792 ms

bottombg.png

bottombg.png

2350 ms

sende_14.jpg

sende_14.jpg

3616 ms

1_1250094441.png

1_1250094441.png

4552 ms

tongji.do

tongji.do

968 ms

icon1.gif

icon1.gif

241 ms

Accessibility Review

sendo.org.cn accessibility score

73

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

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Definition list items are not wrapped in <dl> elements

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

sendo.org.cn best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sendo.org.cn SEO score

83

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

robots.txt is not valid

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 Sendo.org.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 Sendo.org.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

sendo.org.cn

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