Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

wanfangdata.com.cn

万方数据知识服务平台

Page Load Speed

22.5 sec in total

First Response

2.7 sec

Resources Loaded

19.6 sec

Page Rendered

230 ms

wanfangdata.com.cn screenshot

About Website

Visit wanfangdata.com.cn now to see the best up-to-date Wanfangdata content for China and also check out these interesting facts you probably never knew about wanfangdata.com.cn

万方数据知识服务平台-中外学术论文、中外标准、中外专利、科技成果、政策法规等科技文献的在线服务平台。

Visit wanfangdata.com.cn

Key Findings

We analyzed Wanfangdata.com.cn page load time and found that the first response time was 2.7 sec and then it took 19.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

wanfangdata.com.cn performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value4,050 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.376

28/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

Network Requests Diagram

wanfangdata.com.cn

2689 ms

animate.min.css

4562 ms

global.min.css

4561 ms

home.min.css

1987 ms

logo.png

4559 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 63% of them (25 requests) were addressed to the original Wanfangdata.com.cn, 18% (7 requests) were made to Static.wanfangdata.com.cn and 18% (7 requests) were made to Ad.wanfangdata.com.cn. The less responsive or slowest element that took the longest time to load (16.9 sec) relates to the external source Ad.wanfangdata.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 439.9 kB (36%)

Content Size

1.2 MB

After Optimization

786.5 kB

In fact, the total size of Wanfangdata.com.cn main page is 1.2 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 718.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 36.7 kB

  • Original 43.5 kB
  • After minification 33.0 kB
  • After compression 6.9 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 10.5 kB, which is 24% 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 36.7 kB or 84% of the original size.

Image Optimization

-9%

Potential reduce by 66.5 kB

  • Original 718.6 kB
  • After minification 652.1 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. Wanfangdata images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 246.0 kB

  • Original 360.7 kB
  • After minification 360.6 kB
  • After compression 114.7 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 246.0 kB or 68% of the original size.

CSS Optimization

-88%

Potential reduce by 90.6 kB

  • Original 103.5 kB
  • After minification 96.7 kB
  • After compression 12.9 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. Wanfangdata.com.cn needs all CSS files to be minified and compressed as it can save up to 90.6 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (8%)

Requests Now

39

After Optimization

36

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wanfangdata. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

wanfangdata.com.cn accessibility score

69

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

wanfangdata.com.cn best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

wanfangdata.com.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

    N/A

  • Encoding

    UTF-8

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