Access zulassung.hhu.de.

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value3.9 s

88/100

10%

zulassung.hhu.de

292 ms

zulassung.hhu.de

402 ms

loader_16.gif

285 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 Zulassung.hhu.de and no external sources were called. The less responsive or slowest element that took the longest time to load (402 ms) belongs to the original domain Zulassung.hhu.de.

Content Size

1.3 kB

After Optimization

435 B

In fact, the total size of Zulassung.hhu.de main page is 1.3 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. HTML takes 1.3 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 843 B

Original 1.3 kB
After minification 697 B
After compression 435 B

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 581 B, which is 45% 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 843 B or 66% of the original size.

Requests Now

After Optimization

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zulassung Hhu. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

Areas of Improvement

High

Does not use HTTPS

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zulassung.hhu.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 Zulassung.hhu.de main page’s claimed encoding is iso-8859-1. 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

zulassung.hhu.de

Open Graph description is not detected on the main page of Zulassung Hhu. 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: