7.9 sec in total
689 ms
7 sec
189 ms
Visit ulb.hhu.de now to see the best up-to-date ULB Hhu content for Germany and also check out these interesting facts you probably never knew about ulb.hhu.de
Die Heinrich-Heine-Universität Düsseldorf ist eine der jüngeren Hochschulen des Landes NRW – gegründet 1965. Seit 1988 trägt die Universität den Namen des großen Sohnes der Stadt
Visit ulb.hhu.deWe analyzed Ulb.hhu.de page load time and found that the first response time was 689 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
ulb.hhu.de performance score
name
value
score
weighting
Value3.0 s
48/100
10%
Value18.5 s
0/100
25%
Value10.8 s
6/100
10%
Value520 ms
56/100
30%
Value0.692
7/100
15%
Value19.2 s
2/100
10%
689 ms
462 ms
922 ms
490 ms
323 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 93% of them (38 requests) were addressed to the original Ulb.hhu.de, 5% (2 requests) were made to Uni-duesseldorf.de and 2% (1 request) were made to Piwik.ub.uni-duesseldorf.de. The less responsive or slowest element that took the longest time to load (5.8 sec) relates to the external source Uni-duesseldorf.de.
Page size can be reduced by 472.9 kB (43%)
1.1 MB
630.0 kB
In fact, the total size of Ulb.hhu.de main page is 1.1 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. 25% of websites need less resources to load. Images take 556.0 kB which makes up the majority of the site volume.
Potential reduce by 24.6 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 24.6 kB or 77% of the original size.
Potential reduce by 38.8 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. ULB Hhu images are well optimized though.
Potential reduce by 324.4 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 324.4 kB or 78% of the original size.
Potential reduce by 85.0 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. Ulb.hhu.de needs all CSS files to be minified and compressed as it can save up to 85.0 kB or 85% of the original size.
Number of requests can be reduced by 27 (68%)
40
13
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ULB 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 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
ulb.hhu.de
689 ms
stylesheet_b1657822d4.css
462 ms
igx_galerie.css
922 ms
styles.css
490 ms
navigation_7.css
323 ms
fce.css
938 ms
responsible.css
833 ms
ulb.css
991 ms
scripts.js
550 ms
jquery-1.7.1.js
937 ms
jquery.cookie.js
642 ms
jquery.tools.min.js
910 ms
newsslider.js
923 ms
toggleelement.js
1011 ms
ulb.js
1225 ms
ulb.js
1013 ms
javascript_e343d5ea6c.js
1026 ms
mobile_redirect.js
5826 ms
bannerrotation.css
950 ms
bannerrotation2.js
1004 ms
print.css
92 ms
uni_duesseldorf_logo.gif
94 ms
zgnavi_base_7_1.gif
93 ms
a_metanavi.gif
97 ms
zielgruppen_navi_blau.jpg
94 ms
key_home_v5.png
181 ms
breadcrumb_arrow.gif
94 ms
bg_a_backto_uni.gif
166 ms
Webbanner_Landesbib_5.png
275 ms
Webbanner_EBooks.png
272 ms
Webbanner_Digital_3_c.png
452 ms
Webbanner_HHU_Pano-Rundgang_2015-12.png
367 ms
csm_DSC04509__64ce77b144.jpg
257 ms
csm_19RaraNatW135_01_ce5836839e.png
274 ms
english_flag.gif
348 ms
online_auskunft.gif
363 ms
link-icon-mail.gif
364 ms
suchen-G.gif
95 ms
piwik.js
377 ms
icon_news.gif
334 ms
hhu_footer_dot.gif
406 ms
ulb.hhu.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
ARIA IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
ulb.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
ulb.hhu.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Ulb.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 Ulb.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.
ulb.hhu.de
Open Graph description is not detected on the main page of ULB 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: