Tools & Wizards About Us
diplib.org screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

diplib.org

DIPlib | Quantitative Image Analysis in C++, MATLAB and Python

Page Load Speed

1.5 sec in total

First Response

54 ms

Resources Loaded

1.3 sec

Page Rendered

145 ms

diplib.org screenshot

About Website

Welcome to diplib.org homepage info - get ready to check DIPlib best content for United States right away, or after learning these important things about diplib.org

Quantitative Image Analysis in C++, MATLAB and Python

Visit diplib.org

Key Findings

We analyzed Diplib.org page load time and found that the first response time was 54 ms and then it took 1.4 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

diplib.org performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

diplib.org

54 ms

www.diplib.org

605 ms

standard-css-default-ltr-ltr.css

7 ms

overlay.css

125 ms

allthemes-view.css

113 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 43% of them (6 requests) were addressed to the original Diplib.org, 29% (4 requests) were made to Google-analytics.com and 21% (3 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (605 ms) belongs to the original domain Diplib.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 216.8 kB (70%)

Content Size

310.5 kB

After Optimization

93.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Diplib.org main page is 310.5 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. 35% of websites need less resources to load. CSS take 189.0 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 18.4 kB

  • Original 26.1 kB
  • After minification 25.8 kB
  • After compression 7.7 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 18.4 kB or 70% of the original size.

Image Optimization

-20%

Potential reduce by 5.1 kB

  • Original 25.3 kB
  • After minification 20.2 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, DIPlib needs image optimization as it can save up to 5.1 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-46%

Potential reduce by 32.0 kB

  • Original 70.1 kB
  • After minification 70.1 kB
  • After compression 38.1 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 32.0 kB or 46% of the original size.

CSS Optimization

-85%

Potential reduce by 161.3 kB

  • Original 189.0 kB
  • After minification 188.1 kB
  • After compression 27.7 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. Diplib.org needs all CSS files to be minified and compressed as it can save up to 161.3 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DIPlib. According to our analytics all requests are already optimized.

Network Requests Diagram

diplib.org

diplib.org

54 ms

www.diplib.org

www.diplib.org

605 ms

standard-css-default-ltr-ltr.css

standard-css-default-ltr-ltr.css

7 ms

overlay.css

overlay.css

125 ms

allthemes-view.css

allthemes-view.css

113 ms

jot_min_view__en.js

jot_min_view__en.js

18 ms

bg_sprites.gif

bg_sprites.gif

87 ms

editortoolbar.png

editortoolbar.png

80 ms

analytics.js

analytics.js

40 ms

customLogo.gif

customLogo.gif

102 ms

TUD_01-logo_bl_zw-custom.jpeg

TUD_01-logo_bl_zw-custom.jpeg

102 ms

collect

collect

12 ms

ga.js

ga.js

4 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

diplib.org accessibility score

95

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.

Best Practices

diplib.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

diplib.org SEO score

94

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 Diplib.org 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 Diplib.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

diplib.org

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