Tools & Wizards About Us
open-bio.org screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

open-bio.org

Open Bioinformatics Foundation

Page Load Speed

5.9 sec in total

First Response

156 ms

Resources Loaded

4.4 sec

Page Rendered

1.3 sec

open-bio.org screenshot

About Website

Visit open-bio.org now to see the best up-to-date Open Bio content for India and also check out these interesting facts you probably never knew about open-bio.org

About the OBF The Open Bioinformatics Foundation (OBF) is a non-profit, volunteer-run group that promotes open source software development and Open Science within the biological research community. Me...

Visit open-bio.org

Key Findings

We analyzed Open-bio.org page load time and found that the first response time was 156 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

open-bio.org performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.123

84/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

open-bio.org

156 ms

www.open-bio.org

310 ms

css

46 ms

css

76 ms

css

66 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 81% of them (39 requests) were addressed to the original Open-bio.org, 8% (4 requests) were made to Fonts.googleapis.com and 6% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Open-bio.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 849.9 kB (9%)

Content Size

9.2 MB

After Optimization

8.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Open-bio.org main page is 9.2 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. 40% of websites need less resources to load. Images take 9.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 46.9 kB

  • Original 56.3 kB
  • After minification 48.4 kB
  • After compression 9.4 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 7.9 kB, which is 14% 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 46.9 kB or 83% of the original size.

Image Optimization

-9%

Potential reduce by 776.7 kB

  • Original 9.0 MB
  • After minification 8.3 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. Open Bio images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 11.1 kB

  • Original 58.0 kB
  • After minification 58.0 kB
  • After compression 46.9 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 11.1 kB or 19% of the original size.

CSS Optimization

-22%

Potential reduce by 15.2 kB

  • Original 68.2 kB
  • After minification 68.2 kB
  • After compression 53.0 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. Open-bio.org needs all CSS files to be minified and compressed as it can save up to 15.2 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (27%)

Requests Now

45

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Bio. 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 JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

open-bio.org

open-bio.org

156 ms

www.open-bio.org

www.open-bio.org

310 ms

css

css

46 ms

css

css

76 ms

css

css

66 ms

css

css

69 ms

all.css

all.css

32 ms

style.min.css

style.min.css

68 ms

bootstrap.css

bootstrap.css

137 ms

style.css

style.css

188 ms

tablepress-combined.min.css

tablepress-combined.min.css

191 ms

jquery.min.js

jquery.min.js

253 ms

jquery-migrate.min.js

jquery-migrate.min.js

193 ms

obf.js

obf.js

194 ms

wpstg-blank-loader.min.js

wpstg-blank-loader.min.js

200 ms

bootstrap.js

bootstrap.js

252 ms

logo-mastodon.svg

logo-mastodon.svg

168 ms

obf.svg

obf.svg

87 ms

people-at-poster-session-GCC2018-1.jpg

people-at-poster-session-GCC2018-1.jpg

2926 ms

hilmar-OBF-talk-2017-1.jpg

hilmar-OBF-talk-2017-1.jpg

389 ms

farah-presentation.jpg

farah-presentation.jpg

387 ms

biojava.jpg

biojava.jpg

110 ms

bioperl.jpg

bioperl.jpg

165 ms

biopython.png

biopython.png

166 ms

bioRuby-1.png

bioRuby-1.png

276 ms

biosql.jpg

biosql.jpg

207 ms

bosc_pear.png

bosc_pear.png

341 ms

Friedberg_Iddo_0817_square.jpg

Friedberg_Iddo_0817_square.jpg

513 ms

Hilya.jpg

Hilya.jpg

471 ms

Caleb_Kibet_pic.jpg

Caleb_Kibet_pic.jpg

460 ms

Hilmar-Lapp-1.jpg

Hilmar-Lapp-1.jpg

553 ms

Peter-Cock-1.jpg

Peter-Cock-1.jpg

482 ms

Chris-Fields.jpg

Chris-Fields.jpg

652 ms

NH-Sept2022-square-1.png

NH-Sept2022-square-1.png

608 ms

Heather-Wiencko-1.jpg

Heather-Wiencko-1.jpg

547 ms

Bastian-Greshake-Tzovaras.jpg

Bastian-Greshake-Tzovaras.jpg

576 ms

heart.png

heart.png

609 ms

pear-transparent.png

pear-transparent.png

616 ms

obf_logo_icon-circle-tr.png

obf_logo_icon-circle-tr.png

699 ms

social-1_logo-github.svg

social-1_logo-github.svg

673 ms

social-1_logo-rss.svg

social-1_logo-rss.svg

671 ms

newsletter.svg

newsletter.svg

678 ms

slacks2.png

slacks2.png

716 ms

linkedin-square-logo-svgrepo-com.png

linkedin-square-logo-svgrepo-com.png

732 ms

obf-logo.png

obf-logo.png

737 ms

font

font

38 ms

font

font

41 ms

font

font

79 ms

Accessibility Review

open-bio.org accessibility score

81

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

open-bio.org 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

open-bio.org SEO score

79

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Open-bio.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 Open-bio.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

open-bio.org

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