Tools & Wizards About Us

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

zeppelin-university.net

Universität zwischen Wirtschaft, Kultur und Politik | Zeppelin Universität

Page Load Speed

4.3 sec in total

First Response

239 ms

Resources Loaded

3.4 sec

Page Rendered

659 ms

About Website

Visit zeppelin-university.net now to see the best up-to-date Zeppelin University content for Germany and also check out these interesting facts you probably never knew about zeppelin-university.net

Offizieller Webauftritt der Zeppelin Universität mit Informationen zur Forschung, Lehre und des Wissenstransfers zwischen den Schnittstellen der Wirtschaft, Kultur und Politik.

Visit zeppelin-university.net

Key Findings

We analyzed Zeppelin-university.net page load time and found that the first response time was 239 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

zeppelin-university.net performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

82/100

25%

SI (Speed Index)

Value6.8 s

34/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

zeppelin-university.net

239 ms

www.zu.de

1683 ms

1_144.png

645 ms

92f8b68063b573d377b219b36b8eb99c.js

227 ms

bodyScrollLock.min.js

332 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Zeppelin-university.net, 91% (20 requests) were made to Zu.de and 5% (1 request) were made to Studycheck.de. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Zu.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 553.7 kB (40%)

Content Size

1.4 MB

After Optimization

822.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Zeppelin-university.net 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. 30% of websites need less resources to load. HTML takes 631.5 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 552.5 kB

  • Original 631.5 kB
  • After minification 590.8 kB
  • After compression 79.0 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 552.5 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 1.1 kB

  • Original 608.2 kB
  • After minification 607.1 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. Zeppelin University images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 28 B

  • Original 136.5 kB
  • After minification 136.5 kB
  • After compression 136.5 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. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zeppelin University. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

zeppelin-university.net accessibility score

91

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

button, link, and menuitem elements do not have accessible names.

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

<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

High

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

High

Some elements have a [tabindex] value greater than 0

Best Practices

zeppelin-university.net best practices score

75

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

zeppelin-university.net SEO score

98

Search Engine Optimization Advices

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 Zeppelin-university.net 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 Zeppelin-university.net 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 data is detected on the main page of Zeppelin University. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: