Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

medsci.cn

梅斯医学MedSci-临床医生发展平台

Page Load Speed

33.7 sec in total

First Response

4.4 sec

Resources Loaded

28.9 sec

Page Rendered

364 ms

medsci.cn screenshot

About Website

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

MedSci(梅斯医学)致力于医疗质量的改善,从事临床研究服务、数据管理、医学统计、临床培训、继续教育等支持,促进临床医生职业发展和医疗智慧化。

Visit medsci.cn

Key Findings

We analyzed Medsci.cn page load time and found that the first response time was 4.4 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

medsci.cn performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value2,450 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value20.1 s

2/100

10%

Network Requests Diagram

medsci.cn

4377 ms

bootstrap.min.css

478 ms

bootstarp.css

4482 ms

common.css

3316 ms

index.css

3657 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 47% of them (30 requests) were addressed to the original Medsci.cn, 27% (17 requests) were made to Cache1.medsci.cn and 16% (10 requests) were made to Edu.medsci.cn. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Medsci.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 107.4 kB (28%)

Content Size

380.5 kB

After Optimization

273.1 kB

In fact, the total size of Medsci.cn main page is 380.5 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. 30% of websites need less resources to load. Images take 248.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 34.3 kB

  • Original 45.2 kB
  • After minification 38.3 kB
  • After compression 10.9 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. This page needs HTML code to be minified as it can gain 6.9 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 34.3 kB or 76% of the original size.

Image Optimization

-12%

Potential reduce by 29.8 kB

  • Original 248.4 kB
  • After minification 218.6 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, Medsci needs image optimization as it can save up to 29.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 53.1 kB
  • After minification 53.1 kB
  • After compression 21.2 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 32.0 kB or 60% of the original size.

CSS Optimization

-34%

Potential reduce by 11.3 kB

  • Original 33.7 kB
  • After minification 30.3 kB
  • After compression 22.4 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. Medsci.cn needs all CSS files to be minified and compressed as it can save up to 11.3 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (17%)

Requests Now

58

After Optimization

48

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Medsci. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

medsci.cn accessibility score

56

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.

Best Practices

medsci.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

High

Page has valid source maps

SEO Factors

medsci.cn SEO score

82

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Medsci.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that 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

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