Tools & Wizards About Us

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

diku.dk

Datalogisk Institut – Københavns Universitet

Page Load Speed

3.4 sec in total

First Response

476 ms

Resources Loaded

2.7 sec

Page Rendered

190 ms

About Website

Visit diku.dk now to see the best up-to-date Diku content for United States and also check out these interesting facts you probably never knew about diku.dk

Velkommen til DIKU, Datalogisk Institut på Københavns Universitet. På hjemmesiden kan du finde informationer om uddannelser, forskning, formidlingsaktiviteter, erhvervssamarbejde og meget mere.

Visit diku.dk

Key Findings

We analyzed Diku.dk page load time and found that the first response time was 476 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

diku.dk performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.054

98/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

diku.dk

476 ms

style.css

532 ms

science.css

216 ms

functions.js

411 ms

cookies.js

436 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 58% of them (32 requests) were addressed to the original Diku.dk, 27% (15 requests) were made to Cms.ku.dk and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Cms.ku.dk.

Page Optimization Overview & Recommendations

Page size can be reduced by 490.6 kB (52%)

Content Size

949.0 kB

After Optimization

458.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Diku.dk main page is 949.0 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 528.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 37.8 kB

  • Original 44.9 kB
  • After minification 40.2 kB
  • After compression 7.2 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 37.8 kB or 84% of the original size.

Image Optimization

-33%

Potential reduce by 172.4 kB

  • Original 528.0 kB
  • After minification 355.6 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, Diku needs image optimization as it can save up to 172.4 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 127.6 kB

  • Original 197.6 kB
  • After minification 169.7 kB
  • After compression 70.0 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 127.6 kB or 65% of the original size.

CSS Optimization

-86%

Potential reduce by 152.8 kB

  • Original 178.5 kB
  • After minification 126.1 kB
  • After compression 25.7 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. Diku.dk needs all CSS files to be minified and compressed as it can save up to 152.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (44%)

Requests Now

52

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

diku.dk accessibility score

94

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

Best Practices

diku.dk 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

High

Page has valid source maps

SEO Factors

diku.dk SEO score

81

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

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

    DA

  • Language Claimed

    DA

  • Encoding

    UTF-8

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