Tools & Wizards About Us
connect.biorxiv.org screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

connect.biorxiv.org

biorXiv Feeds

Page Load Speed

1 sec in total

First Response

240 ms

Resources Loaded

707 ms

Page Rendered

88 ms

connect.biorxiv.org screenshot

About Website

Click here to check amazing Connect BiorXiv content for China. Otherwise, check out these important facts you probably never knew about connect.biorxiv.org

bioRxiv - the preprint server for biology, operated by Cold Spring Harbor Laboratory, a research and educational institution

Visit connect.biorxiv.org

Key Findings

We analyzed Connect.biorxiv.org page load time and found that the first response time was 240 ms and then it took 795 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

connect.biorxiv.org performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

connect.biorxiv.org

240 ms

styles_all.css

132 ms

bioRxiv_logo_sm_0.png

327 ms

select-arrow.gif

29 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 75% of them (3 requests) were addressed to the original Connect.biorxiv.org, 25% (1 request) were made to Biorxiv.org. The less responsive or slowest element that took the longest time to load (327 ms) relates to the external source Biorxiv.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 228.3 kB (84%)

Content Size

271.4 kB

After Optimization

43.2 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Connect.biorxiv.org main page is 271.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 246.2 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 8.4 kB

  • Original 11.6 kB
  • After minification 11.1 kB
  • After compression 3.2 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 8.4 kB or 72% of the original size.

Image Optimization

-32%

Potential reduce by 4.3 kB

  • Original 13.6 kB
  • After minification 9.3 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, Connect BiorXiv needs image optimization as it can save up to 4.3 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-88%

Potential reduce by 215.5 kB

  • Original 246.2 kB
  • After minification 173.4 kB
  • After compression 30.6 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. Connect.biorxiv.org needs all CSS files to be minified and compressed as it can save up to 215.5 kB or 88% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images
  • CSS

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Connect BiorXiv. According to our analytics all requests are already optimized.

Network Requests Diagram

connect.biorxiv.org

connect.biorxiv.org

240 ms

styles_all.css

styles_all.css

132 ms

bioRxiv_logo_sm_0.png

bioRxiv_logo_sm_0.png

327 ms

select-arrow.gif

select-arrow.gif

29 ms

Accessibility Review

connect.biorxiv.org accessibility score

71

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

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

connect.biorxiv.org 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

connect.biorxiv.org SEO score

92

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

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Connect.biorxiv.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Connect.biorxiv.org 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

connect.biorxiv.org

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