Tools & Wizards About Us
edu.medsci.cn screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 95

    SEO

    Google-friendlier than
    91% of websites

edu.medsci.cn

MedSci梅斯公开课

Page Load Speed

31.3 sec in total

First Response

2 sec

Resources Loaded

29 sec

Page Rendered

281 ms

edu.medsci.cn screenshot

About Website

Welcome to edu.medsci.cn homepage info - get ready to check Edu Med Sci best content for China right away, or after learning these important things about edu.medsci.cn

梅斯公开课汇集国内各大医院，名校著名专家的临床医学和科研领域的视频授课，为广大临床、科研医生提供直播课程、在线免费课、医学教育、继续教育、医学会议等。

Visit edu.medsci.cn

Key Findings

We analyzed Edu.medsci.cn page load time and found that the first response time was 2 sec and then it took 29.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

edu.medsci.cn performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value17.9 s

0/100

10%

TBT (Total Blocking Time)

Value820 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.346

32/100

15%

TTI (Time to Interactive)

Value12.7 s

14/100

10%

Network Requests Diagram

edu.medsci.cn

2042 ms

slide.css

698 ms

bootstrap.min.css

3743 ms

default_blue.css

837 ms

base.css

6935 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 85% of them (39 requests) were addressed to the original Edu.medsci.cn, 4% (2 requests) were made to Hm.baidu.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Edu.medsci.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 250.1 kB (60%)

Content Size

417.0 kB

After Optimization

166.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Edu.medsci.cn main page is 417.0 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. Javascripts take 167.3 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 17.7 kB

  • Original 23.2 kB
  • After minification 19.6 kB
  • After compression 5.5 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. This page needs HTML code to be minified as it can gain 3.6 kB, which is 15% 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 17.7 kB or 76% of the original size.

Image Optimization

-25%

Potential reduce by 22.4 kB

  • Original 91.3 kB
  • After minification 68.9 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, Edu Med Sci needs image optimization as it can save up to 22.4 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 97.6 kB

  • Original 167.3 kB
  • After minification 165.6 kB
  • After compression 69.7 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 97.6 kB or 58% of the original size.

CSS Optimization

-83%

Potential reduce by 112.3 kB

  • Original 135.2 kB
  • After minification 128.1 kB
  • After compression 22.9 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. Edu.medsci.cn needs all CSS files to be minified and compressed as it can save up to 112.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (25%)

Requests Now

40

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Edu Med Sci. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

edu.medsci.cn

edu.medsci.cn

2042 ms

slide.css

slide.css

698 ms

bootstrap.min.css

bootstrap.min.css

3743 ms

default_blue.css

default_blue.css

837 ms

base.css

base.css

6935 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

3410 ms

jquery-migrate.min.js

jquery-migrate.min.js

1332 ms

bootstrap.min.js

bootstrap.min.js

1791 ms

base.js

base.js

3725 ms

jquery.Sonline.js

jquery.Sonline.js

2526 ms

jquery.SuperSlide.2.1.1.js

jquery.SuperSlide.2.1.1.js

4355 ms

bg.jpg

bg.jpg

983 ms

logo.png

logo.png

757 ms

search_bt.jpg

search_bt.jpg

5811 ms

new_info1.jpg

new_info1.jpg

4096 ms

s_time.png

s_time.png

1608 ms

zgh.jpg

zgh.jpg

2294 ms

sina.jpg

sina.jpg

1690 ms

qq.jpg

qq.jpg

5186 ms

201603311653179417.jpg

201603311653179417.jpg

3259 ms

201603311649127105.png

201603311649127105.png

19972 ms

201603311641175760.png

201603311641175760.png

19973 ms

201603311637487322.jpg

201603311637487322.jpg

6816 ms

201603311634227525.jpg

201603311634227525.jpg

10387 ms

201603311625095604.png

201603311625095604.png

19971 ms

close.png

close.png

8531 ms

tsxz.jpg

tsxz.jpg

10442 ms

medsci_yx.png

medsci_yx.png

9787 ms

close.png

close.png

10646 ms

top_bg.jpg

top_bg.jpg

11283 ms

leftbig.png

leftbig.png

11041 ms

rightbig.png

rightbig.png

11528 ms

toum.png

toum.png

19954 ms

toum2.png

toum2.png

12017 ms

h.js

h.js

5834 ms

analytics.js

analytics.js

39 ms

hm.gif

hm.gif

306 ms

closeBtnImg.gif

closeBtnImg.gif

7019 ms

openTrigger.jpg

openTrigger.jpg

8735 ms

SonlineTitleBg.gif

SonlineTitleBg.gif

7872 ms

btn-normal.gif

btn-normal.gif

8486 ms

btn-active.gif

btn-active.gif

10628 ms

collect

collect

21 ms

collect

collect

95 ms

button_11.gif

button_11.gif

459 ms

button_11.gif

button_11.gif

260 ms

Accessibility Review

edu.medsci.cn accessibility score

61

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

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

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

edu.medsci.cn best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

edu.medsci.cn SEO score

95

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 Edu.medsci.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 Edu.medsci.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

edu.medsci.cn

Open Graph description is not detected on the main page of Edu Med Sci. 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: