Tools & Wizards About Us
propka.org screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

propka.org

GitHub - jensengroup/propka: PROPKA predicts the pKa values of ionizable groups in proteins and protein-ligand complexes based in the 3D structure.

Page Load Speed

1.5 sec in total

First Response

388 ms

Resources Loaded

952 ms

Page Rendered

200 ms

propka.org screenshot

About Website

Welcome to propka.org homepage info - get ready to check PROPKA best content for Japan right away, or after learning these important things about propka.org

PROPKA predicts the pKa values of ionizable groups in proteins and protein-ligand complexes based in the 3D structure. - GitHub - jensengroup/propka: PROPKA predicts the pKa values of ionizable groups...

Visit propka.org

Key Findings

We analyzed Propka.org page load time and found that the first response time was 388 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

propka.org performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value960 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.0 s

27/100

10%

Network Requests Diagram

propka.org

388 ms

propka

338 ms

light-3e154969b9f9.css

42 ms

dark-9c5b7a476542.css

41 ms

primer-primitives-fd4f6f126b06.css

44 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Propka.org, 84% (87 requests) were made to Github.githubassets.com and 11% (11 requests) were made to Avatars.githubusercontent.com. The less responsive or slowest element that took the longest time to load (388 ms) belongs to the original domain Propka.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 667.6 kB (39%)

Content Size

1.7 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Propka.org main page is 1.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 916.2 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 306.4 kB

  • Original 361.2 kB
  • After minification 352.0 kB
  • After compression 54.8 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 306.4 kB or 85% of the original size.

Image Optimization

-9%

Potential reduce by 3.2 kB

  • Original 36.0 kB
  • After minification 32.8 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. PROPKA images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 103.0 kB

  • Original 916.2 kB
  • After minification 916.2 kB
  • After compression 813.2 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 103.0 kB or 11% of the original size.

CSS Optimization

-66%

Potential reduce by 255.1 kB

  • Original 389.0 kB
  • After minification 387.1 kB
  • After compression 134.0 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. Propka.org needs all CSS files to be minified and compressed as it can save up to 255.1 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 85 (83%)

Requests Now

102

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PROPKA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 76 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

propka.org

propka.org

388 ms

propka

propka

338 ms

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Accessibility Review

propka.org accessibility score

92

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

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

propka.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

propka.org SEO score

91

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

High

Tap targets are not sized appropriately

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 Propka.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 Propka.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

propka.org

Open Graph data is detected on the main page of PROPKA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: