Tools & Wizards About Us
cct.au.dk screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

cct.au.dk

Center for Computational Thinking & Design (CCTD)

Page Load Speed

5.9 sec in total

First Response

598 ms

Resources Loaded

4.5 sec

Page Rendered

807 ms

cct.au.dk screenshot

About Website

Welcome to cct.au.dk homepage info - get ready to check Cct Au best content for Denmark right away, or after learning these important things about cct.au.dk

Center for Computational Thinking and Design (CCTD) is an interdisciplinary center at Aarhus University. Read more about research and our projects.

Visit cct.au.dk

Key Findings

We analyzed Cct.au.dk page load time and found that the first response time was 598 ms and then it took 5.3 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

cct.au.dk performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value22.6 s

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value3,970 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value21.3 s

1/100

10%

Network Requests Diagram

cct.au.dk

598 ms

cctd.au.dk

749 ms

4adea90c81.css

275 ms

app.css

232 ms

all.css

271 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Cct.au.dk, 42% (20 requests) were made to Cctd.au.dk and 19% (9 requests) were made to Cdn.au.dk. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Cctd.au.dk.

Page Optimization Overview & Recommendations

Page size can be reduced by 293.6 kB (9%)

Content Size

3.4 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cct.au.dk main page is 3.4 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. 65% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 26.3 kB

  • Original 32.9 kB
  • After minification 25.8 kB
  • After compression 6.6 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 7.0 kB, which is 21% 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 26.3 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 218.9 kB

  • Original 3.0 MB
  • After minification 2.8 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. Cct Au images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 33.6 kB

  • Original 297.8 kB
  • After minification 297.8 kB
  • After compression 264.2 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 33.6 kB or 11% of the original size.

CSS Optimization

-20%

Potential reduce by 14.8 kB

  • Original 72.2 kB
  • After minification 72.2 kB
  • After compression 57.4 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. Cct.au.dk needs all CSS files to be minified and compressed as it can save up to 14.8 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (64%)

Requests Now

42

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cct Au. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cct.au.dk

cct.au.dk

598 ms

cctd.au.dk

cctd.au.dk

749 ms

4adea90c81.css

4adea90c81.css

275 ms

app.css

app.css

232 ms

all.css

all.css

271 ms

fluid_styled_content.css

fluid_styled_content.css

372 ms

CssDemo.css

CssDemo.css

492 ms

powermail-overrides.css

powermail-overrides.css

384 ms

news-basic.css

news-basic.css

381 ms

cludo-search.min.css

cludo-search.min.css

156 ms

react.production.min.js

react.production.min.js

146 ms

react-dom.production.min.js

react-dom.production.min.js

138 ms

axios.min.js

axios.min.js

131 ms

dom4.js

dom4.js

138 ms

es6-shim.min.js

es6-shim.min.js

137 ms

vendor.js

vendor.js

293 ms

app.js

app.js

291 ms

Infobox.js

Infobox.js

366 ms

style.css

style.css

136 ms

js

js

100 ms

app.js

app.js

212 ms

jquery.datetimepicker.min.js

jquery.datetimepicker.min.js

270 ms

parsley.min.js

parsley.min.js

651 ms

Tabs.min.js

Tabs.min.js

505 ms

Form.min.js

Form.min.js

509 ms

cookie-script-popup.js

cookie-script-popup.js

893 ms

au_segl-inv.svg

au_segl-inv.svg

33 ms

au_segl.svg

au_segl.svg

39 ms

projects_21-9.jpg

projects_21-9.jpg

1999 ms

publications.jpg

publications.jpg

1884 ms

people_03.jpg

people_03.jpg

2109 ms

exchange.jpg

exchange.jpg

1826 ms

csm_cover_report_6.1_01_107719e181.png

csm_cover_report_6.1_01_107719e181.png

336 ms

csm_CCTD_a4_8a05fe2be1.png

csm_CCTD_a4_8a05fe2be1.png

440 ms

csm_fablearndk-22-hvid-700px_2d57ce304d.png

csm_fablearndk-22-hvid-700px_2d57ce304d.png

446 ms

csm_Skaermbillede_2022-04-08_kl._11.28.35_494ee8e0e1.png

csm_Skaermbillede_2022-04-08_kl._11.28.35_494ee8e0e1.png

553 ms

csm_Skaermbillede_2022-04-08_kl._11.18.55_6a7fc94a14.png

csm_Skaermbillede_2022-04-08_kl._11.18.55_6a7fc94a14.png

667 ms

logos.svg

logos.svg

45 ms

gen_204

gen_204

112 ms

aupassata_rg-webfont.woff

aupassata_rg-webfont.woff

195 ms

au_icons.woff

au_icons.woff

233 ms

aupassata_bold-webfont.woff

aupassata_bold-webfont.woff

234 ms

alphabox.js

alphabox.js

21 ms

search-script.min.js

search-script.min.js

43 ms

common.js

common.js

13 ms

util.js

util.js

37 ms

geocoder.js

geocoder.js

35 ms

infowindow.js

infowindow.js

40 ms

Accessibility Review

cct.au.dk accessibility score

82

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

cct.au.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

cct.au.dk SEO score

73

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 doesn't use 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 Cct.au.dk 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 Cct.au.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

cct.au.dk

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