5.3 sec in total
402 ms
4.2 sec
692 ms
Click here to check amazing Zu content for Germany. Otherwise, check out these important facts you probably never knew about zu.de
Offizieller Webauftritt der Zeppelin Universität mit Informationen zur Forschung, Lehre und des Wissenstransfers zwischen den Schnittstellen der Wirtschaft, Kultur und Politik.
Visit zu.deWe analyzed Zu.de page load time and found that the first response time was 402 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
zu.de performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value2.7 s
85/100
25%
Value8.2 s
20/100
10%
Value790 ms
37/100
30%
Value0.021
100/100
15%
Value8.5 s
38/100
10%
402 ms
445 ms
1858 ms
676 ms
134 ms
Our browser made a total of 23 requests to load all elements on the main page. We found that 96% of them (22 requests) were addressed to the original Zu.de, 4% (1 request) were made to Studycheck.de. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Zu.de.
Page size can be reduced by 554.2 kB (40%)
1.4 MB
822.3 kB
In fact, the total size of Zu.de main page is 1.4 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. 20% of websites need less resources to load. HTML takes 631.8 kB which makes up the majority of the site volume.
Potential reduce by 553.1 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 553.1 kB or 88% of the original size.
Potential reduce by 1.1 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. Zu images are well optimized though.
Potential reduce by 28 B
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. This website has mostly compressed JavaScripts.
We found no issues to fix!
11
11
The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zu. According to our analytics all requests are already optimized.
zu.de
402 ms
zu.de
445 ms
www.zu.de
1858 ms
1_144.png
676 ms
de.svg
134 ms
en.svg
250 ms
5dac8626-172e-4f72-98df-8667df989493.woff
323 ms
54a7f9d3-6607-4c69-818e-c24ea246d4b9.woff
347 ms
9a027f61-197c-4e13-8416-d5f269fd7ef6.woff
347 ms
92f8b68063b573d377b219b36b8eb99c.js
641 ms
bodyScrollLock.min.js
303 ms
c3dc7d7b41ca7d6ga6a7d46f00139359.jpg
441 ms
719-zu-studierende-5322-ac7b658a2ee4da3g9a48492e008805c3.jpg
865 ms
logo-zu-claim-20230622.svg
413 ms
d3a1797e-1fde-479e-8cb5-bca588255598.woff
395 ms
159131c2-3e67-486d-849f-8fae4ed37681.woff
424 ms
34f2fbd7-fa61-4fa8-8235-67bbbe225483.woff
504 ms
index.html
519 ms
index.html
535 ms
index.html
536 ms
webfont-pageview-trigger.php
173 ms
design_f6143ebd02b4c69f183d25d3f60247e6.css
452 ms
placeholder-socialwall.jpg
230 ms
zu.de accessibility score
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
button, link, and menuitem elements do not have accessible names.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
zu.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
zu.de SEO score
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
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zu.de 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 Zu.de 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.
zu.de
Open Graph data is detected on the main page of Zu. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: