Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

jaspar.genereg.net

JASPAR - A database of transcription factor binding profiles

Page Load Speed

2.4 sec in total

First Response

892 ms

Resources Loaded

1.4 sec

Page Rendered

130 ms

jaspar.genereg.net screenshot

About Website

Visit jaspar.genereg.net now to see the best up-to-date JASPAR Genereg content for South Africa and also check out these interesting facts you probably never knew about jaspar.genereg.net

JASPAR is the largest open-access database of curated and non-redundant transcription factor (TF) binding profiles from six different taxonomic groups.

Visit jaspar.genereg.net

Key Findings

We analyzed Jaspar.genereg.net page load time and found that the first response time was 892 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

jaspar.genereg.net performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.248

50/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

jaspar.genereg.net

892 ms

style.css

176 ms

jquery-ui.css

10 ms

jquery-1.9.1.js

10 ms

jquery-ui.js

13 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 80% of them (12 requests) were addressed to the original Jaspar.genereg.net, 20% (3 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (892 ms) belongs to the original domain Jaspar.genereg.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.9 kB (37%)

Content Size

356.5 kB

After Optimization

223.6 kB

In fact, the total size of Jaspar.genereg.net main page is 356.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 315.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 27.4 kB

  • Original 31.9 kB
  • After minification 21.9 kB
  • After compression 4.5 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 10.0 kB, which is 31% 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 27.4 kB or 86% of the original size.

Image Optimization

-32%

Potential reduce by 102.1 kB

  • Original 315.3 kB
  • After minification 213.2 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, JASPAR Genereg needs image optimization as it can save up to 102.1 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

-36%

Potential reduce by 3.4 kB

  • Original 9.3 kB
  • After minification 8.6 kB
  • After compression 5.9 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. Jaspar.genereg.net needs all CSS files to be minified and compressed as it can save up to 3.4 kB or 36% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JASPAR Genereg. According to our analytics all requests are already optimized.

Accessibility Review

jaspar.genereg.net accessibility score

87

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

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

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

jaspar.genereg.net best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jaspar.genereg.net SEO score

99

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jaspar.genereg.net can be misinterpreted by Google and other search engines. Our service has detected that English 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 Jaspar.genereg.net 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 JASPAR Genereg. 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: