2.4 sec in total
482 ms
1.6 sec
244 ms
Visit zim.hhu.de now to see the best up-to-date Zim Hhu content for Germany and also check out these interesting facts you probably never knew about zim.hhu.de
Das Zentrum für Informations- und Medientechnologie (ZIM) ist eine zentrale Betriebseinheit der Heinrich-Heine-Universität. Es ist ein Dienstleistungs-und Kompetenzzentrum für alle Aspekte der digital...
Visit zim.hhu.deWe analyzed Zim.hhu.de page load time and found that the first response time was 482 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
zim.hhu.de performance score
name
value
score
weighting
Value2.8 s
56/100
10%
Value13.4 s
0/100
25%
Value6.8 s
35/100
10%
Value460 ms
62/100
30%
Value0.547
13/100
15%
Value12.2 s
15/100
10%
482 ms
457 ms
280 ms
499 ms
284 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 90% of them (36 requests) were addressed to the original Zim.hhu.de, 5% (2 requests) were made to Uni-duesseldorf.de and 5% (2 requests) were made to Piwik.rz.uni-duesseldorf.de. The less responsive or slowest element that took the longest time to load (615 ms) relates to the external source Uni-duesseldorf.de.
Page size can be reduced by 218.1 kB (43%)
511.7 kB
293.6 kB
In fact, the total size of Zim.hhu.de main page is 511.7 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. 20% of websites need less resources to load. Images take 226.7 kB which makes up the majority of the site volume.
Potential reduce by 22.5 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 22.5 kB or 79% of the original size.
Potential reduce by 5.3 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. Zim Hhu images are well optimized though.
Potential reduce by 107.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 107.2 kB or 67% of the original size.
Potential reduce by 83.1 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Zim.hhu.de needs all CSS files to be minified and compressed as it can save up to 83.1 kB or 85% of the original size.
Number of requests can be reduced by 25 (64%)
39
14
The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zim Hhu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
zim.hhu.de
482 ms
stylesheet_b1657822d4.css
457 ms
igx_galerie.css
280 ms
styles.css
499 ms
navigation_7.css
284 ms
fce.css
208 ms
responsible.css
272 ms
scripts.js
301 ms
jquery-1.7.1.min.js
548 ms
jquery.cookie.js
371 ms
accordion.js
378 ms
newsslider.js
397 ms
toggleelement.js
465 ms
javascript_e343d5ea6c.js
473 ms
mobile_redirect.js
598 ms
bannerrotation.css
406 ms
bannerrotation2.js
460 ms
print.css
94 ms
suchen-G.gif
615 ms
uni_duesseldorf_logo.gif
94 ms
zgnavi_base_7_1.gif
98 ms
a_metanavi.gif
94 ms
zielgruppen_navi_blau.jpg
99 ms
zim_start.jpg
185 ms
breadcrumb_arrow.gif
132 ms
bg_a_backto_uni.gif
185 ms
Banner_Medien.jpg
273 ms
Banner_iQu_170x250.jpg
282 ms
Banner_Helpdesk1.jpg
376 ms
Webbanner_HHU_Pano-Rundgang_2015-12.png
314 ms
liste-blau.gif
277 ms
ZKI-Nachbericht.jpg
278 ms
filmteaser.gif
365 ms
news_feed.png
370 ms
kalender_rss.png
370 ms
kalender.gif
372 ms
link-icon-mail.gif
405 ms
hhu_footer_dot.gif
450 ms
piwik.js
469 ms
piwik.php
179 ms
zim.hhu.de accessibility score
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
zim.hhu.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
zim.hhu.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 Zim.hhu.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 Zim.hhu.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.
zim.hhu.de
Open Graph description is not detected on the main page of Zim 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: