Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

sos120.org.cn

血栓在线

Page Load Speed

15.3 sec in total

First Response

1.7 sec

Resources Loaded

13.4 sec

Page Rendered

215 ms

sos120.org.cn screenshot

About Website

Welcome to sos120.org.cn homepage info - get ready to check Sos 120 best content right away, or after learning these important things about sos120.org.cn

血栓在线由中华医学会主办

Visit sos120.org.cn

Key Findings

We analyzed Sos120.org.cn page load time and found that the first response time was 1.7 sec and then it took 13.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sos120.org.cn performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value20.9 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.062

97/100

15%

TTI (Time to Interactive)

Value15.0 s

7/100

10%

Network Requests Diagram

sos120.org.cn

1690 ms

css_CKoWqiBj9gVXhPuDSnNphuEB0b0J2To76x0pX0EGqn4.css

493 ms

css_8qbdSouD-7IGaCZYrjcAAUaT5s6PvldRn484Uayuvik.css

499 ms

css_zmTeHztHw_4AbyXg-1FmvTRSBheJ3YlkPuj0--IZCqk.css

537 ms

css__pxBwYPAOsxKwYPSReYiz0kKIx4LMeZE8rMMnSCSsew.css

1040 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 91% of them (49 requests) were addressed to the original Sos120.org.cn, 4% (2 requests) were made to Hm.baidu.com and 2% (1 request) were made to Static.anquan.org. The less responsive or slowest element that took the longest time to load (8.3 sec) relates to the external source Static.anquan.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 800.7 kB (48%)

Content Size

1.7 MB

After Optimization

859.2 kB

In fact, the total size of Sos120.org.cn main page is 1.7 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 28.9 kB

  • Original 38.4 kB
  • After minification 35.8 kB
  • After compression 9.5 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 28.9 kB or 75% of the original size.

Image Optimization

-39%

Potential reduce by 504.8 kB

  • Original 1.3 MB
  • After minification 778.1 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, Sos 120 needs image optimization as it can save up to 504.8 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-76%

Potential reduce by 148.0 kB

  • Original 194.1 kB
  • After minification 144.1 kB
  • After compression 46.1 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 148.0 kB or 76% of the original size.

CSS Optimization

-82%

Potential reduce by 119.0 kB

  • Original 144.5 kB
  • After minification 136.0 kB
  • After compression 25.5 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. Sos120.org.cn needs all CSS files to be minified and compressed as it can save up to 119.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (38%)

Requests Now

53

After Optimization

33

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sos 120. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sos120.org.cn accessibility score

94

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.

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

Links do not have a discernible name

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

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

Best Practices

sos120.org.cn best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sos120.org.cn SEO score

67

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

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 Sos120.org.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 Sos120.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

Open Graph description is not detected on the main page of Sos 120. 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: