Access gw.uni-regensburg.de. GroupWise

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value34.3 s

0/100

25%

SI (Speed Index)

Value21.1 s

0/100

10%

TBT (Total Blocking Time)

Value460 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value33.1 s

0/100

10%

gw.uni-regensburg.de

433 ms

hintergrundbild_startseite.png

597 ms

logo_startseite_gross.png

302 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Gw.uni-regensburg.de and no external sources were called. The less responsive or slowest element that took the longest time to load (597 ms) belongs to the original domain Gw.uni-regensburg.de.

Content Size

92.4 kB

After Optimization

88.6 kB

In fact, the total size of Gw.uni-regensburg.de main page is 92.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 86.8 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 3.6 kB

Original 5.6 kB
After minification 5.6 kB
After compression 2.0 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 3.6 kB or 64% of the original size.

Image Optimization

-0%

Potential reduce by 146 B

Original 86.8 kB
After minification 86.7 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. Gw Uni Regensburg images are well optimized though.

Requests Now

After Optimization

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gw Uni Regensburg. According to our analytics all requests are already optimized.

Accessibility Issues

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.

High

[role]s do not have all required [aria-*] attributes

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Form elements do not have associated labels

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

robots.txt is not valid

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gw.uni-regensburg.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Gw.uni-regensburg.de main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

gw.uni-regensburg.de

Open Graph description is not detected on the main page of Gw Uni Regensburg. 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: