Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

genomics.cn

华大总部网站

Page Load Speed

16.1 sec in total

First Response

755 ms

Resources Loaded

14.8 sec

Page Rendered

485 ms

genomics.cn screenshot

About Website

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

华大基因成立于1999年,是全球最大的基因组学研发机构,将前沿的多组学科研成果应用于医学健康、农业育种、资源保存等领域,推动基因科技成果转化,实现基因科技造福人类。

Visit genomics.cn

Key Findings

We analyzed Genomics.cn page load time and found that the first response time was 755 ms and then it took 15.3 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

genomics.cn performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value21.5 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.702

7/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

genomics.cn

755 ms

www.genomics.cn

1442 ms

editor.css

515 ms

jquery-3.6.0.min.js

788 ms

a.whir.search.js

1063 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 96% of them (64 requests) were addressed to the original Genomics.cn, 3% (2 requests) were made to Static.bshare.cn and 1% (1 request) were made to Zz.bdstatic.com. The less responsive or slowest element that took the longest time to load (11.2 sec) belongs to the original domain Genomics.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 923.1 kB (10%)

Content Size

8.9 MB

After Optimization

8.0 MB

In fact, the total size of Genomics.cn main page is 8.9 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 8.7 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 79.0 kB

  • Original 92.9 kB
  • After minification 73.9 kB
  • After compression 13.9 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 18.9 kB, which is 20% 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 79.0 kB or 85% of the original size.

Image Optimization

-9%

Potential reduce by 826.3 kB

  • Original 8.7 MB
  • After minification 7.9 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. Genomics images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 12.4 kB

  • Original 81.8 kB
  • After minification 81.8 kB
  • After compression 69.4 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 12.4 kB or 15% of the original size.

CSS Optimization

-14%

Potential reduce by 5.4 kB

  • Original 38.8 kB
  • After minification 38.8 kB
  • After compression 33.4 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. Genomics.cn needs all CSS files to be minified and compressed as it can save up to 5.4 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (21%)

Requests Now

63

After Optimization

50

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Genomics. 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 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

genomics.cn accessibility score

72

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

genomics.cn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Browser errors were logged to the console

SEO Factors

genomics.cn SEO score

83

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 Genomics.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 Genomics.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 Genomics. 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: