Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

zid.aau.at

Zentraler Informatikdienst (ZID) – Universität Klagenfurt

Page Load Speed

5.9 sec in total

First Response

643 ms

Resources Loaded

4.9 sec

Page Rendered

331 ms

zid.aau.at screenshot

About Website

Visit zid.aau.at now to see the best up-to-date ZID Aau content for Austria and also check out these interesting facts you probably never knew about zid.aau.at

Informationen zum Zentralen Informatikdienst (ZID) der Alpen-Adria-Universität Klagenfurt: Sekretariat, Kurzprofil & Aufgaben, Service Desk, Team

Visit zid.aau.at

Key Findings

We analyzed Zid.aau.at page load time and found that the first response time was 643 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

zid.aau.at performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value14.5 s

9/100

10%

Network Requests Diagram

zid.aau.at

643 ms

zid.aau.at

847 ms

system.base.css

215 ms

system.menus.css

213 ms

system.messages.css

215 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that all of those requests were addressed to Zid.aau.at and no external sources were called. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Zid.aau.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 827.3 kB (66%)

Content Size

1.3 MB

After Optimization

427.4 kB

In fact, the total size of Zid.aau.at main page is 1.3 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. 30% of websites need less resources to load. Javascripts take 558.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 56.6 kB

  • Original 69.4 kB
  • After minification 64.1 kB
  • After compression 12.8 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 56.6 kB or 82% of the original size.

Image Optimization

-27%

Potential reduce by 94.7 kB

  • Original 350.1 kB
  • After minification 255.4 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, ZID Aau needs image optimization as it can save up to 94.7 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-78%

Potential reduce by 436.1 kB

  • Original 558.1 kB
  • After minification 385.9 kB
  • After compression 122.0 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 436.1 kB or 78% of the original size.

CSS Optimization

-87%

Potential reduce by 239.9 kB

  • Original 277.1 kB
  • After minification 202.4 kB
  • After compression 37.1 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. Zid.aau.at needs all CSS files to be minified and compressed as it can save up to 239.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (70%)

Requests Now

64

After Optimization

19

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZID Aau. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zid.aau.at accessibility score

85

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

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

zid.aau.at 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zid.aau.at 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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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