Tools & Wizards About Us
pubmed.cn screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

pubmed.cn

丁香园生物医药科技网

Page Load Speed

8.7 sec in total

First Response

1.2 sec

Resources Loaded

6.1 sec

Page Rendered

1.4 sec

pubmed.cn screenshot

About Website

Click here to check amazing Pubmed content for China. Otherwise, check out these important facts you probably never knew about pubmed.cn

丁香园是面向医生、医疗机构、医药从业者以及生命科学领域人士的专业性社会化网络，提供医学、医疗、药学、生命科学等相关领域的交流平台、专业知识、最新科研进展以及技术服务。

Visit pubmed.cn

Key Findings

We analyzed Pubmed.cn page load time and found that the first response time was 1.2 sec and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

pubmed.cn performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

pubmed.cn

1170 ms

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430 ms

9058a190238b78ce60e0.css

2172 ms

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464 ms

d339330383829ce54560.css

719 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 34% of them (31 requests) were addressed to the original Pubmed.cn, 33% (30 requests) were made to Img1.dxycdn.com and 31% (28 requests) were made to File1.dxycdn.com. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Img1.dxycdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (7%)

Content Size

17.0 MB

After Optimization

15.8 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Pubmed.cn main page is 17.0 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. 30% of websites need less resources to load. Images take 16.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 168.1 kB

  • Original 207.2 kB
  • After minification 207.0 kB
  • After compression 39.1 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 168.1 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 506.9 kB

  • Original 16.2 MB
  • After minification 15.7 MB

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. Pubmed images are well optimized though.

CSS Optimization

-87%

Potential reduce by 487.8 kB

  • Original 558.1 kB
  • After minification 557.4 kB
  • After compression 70.3 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. Pubmed.cn needs all CSS files to be minified and compressed as it can save up to 487.8 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (14%)

Requests Now

64

After Optimization

55

  • Images
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pubmed. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pubmed.cn

pubmed.cn

1170 ms

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430 ms

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464 ms

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Accessibility Review

pubmed.cn accessibility score

83

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

pubmed.cn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

pubmed.cn SEO score

80

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pubmed.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 Pubmed.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

pubmed.cn

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