Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

jku.at

JKU - Johannes Kepler Universität Linz

Page Load Speed

3.7 sec in total

First Response

328 ms

Resources Loaded

2.8 sec

Page Rendered

619 ms

jku.at screenshot

About Website

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

Absolviere Dein Studium an der größten Universität Oberösterreichs mit über 60 Studiengängen: Bachelor, Master, Diplom, Doktorat, Lehrgänge, Fernstudien.

Visit jku.at

Key Findings

We analyzed Jku.at page load time and found that the first response time was 328 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

jku.at performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

jku.at

328 ms

www.jku.at

996 ms

media2click.css

214 ms

fonts.css

169 ms

jku_style.css

444 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 76% of them (37 requests) were addressed to the original Jku.at, 16% (8 requests) were made to and 4% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (996 ms) belongs to the original domain Jku.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.4 kB (25%)

Content Size

823.3 kB

After Optimization

615.9 kB

In fact, the total size of Jku.at main page is 823.3 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. 45% of websites need less resources to load. Images take 599.0 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 205.5 kB

  • Original 224.3 kB
  • After minification 109.1 kB
  • After compression 18.8 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. This page needs HTML code to be minified as it can gain 115.2 kB, which is 51% 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 205.5 kB or 92% of the original size.

Image Optimization

-0%

Potential reduce by 1.9 kB

  • Original 599.0 kB
  • After minification 597.0 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. JKU images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 15 (42%)

Requests Now

36

After Optimization

21

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JKU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jku.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

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

jku.at best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

jku.at SEO score

93

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

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 Jku.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 Jku.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 JKU. 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: