3.8 sec in total
398 ms
3.3 sec
131 ms
Visit giub.uni-bonn.de now to see the best up-to-date Giub Uni Bonn content for Germany and also check out these interesting facts you probably never knew about giub.uni-bonn.de
Visit giub.uni-bonn.deWe analyzed Giub.uni-bonn.de page load time and found that the first response time was 398 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
giub.uni-bonn.de performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value9.7 s
0/100
25%
Value7.3 s
29/100
10%
Value0 ms
100/100
30%
Value0.358
30/100
15%
Value5.0 s
77/100
10%
398 ms
492 ms
1014 ms
196 ms
294 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Giub.uni-bonn.de, 97% (38 requests) were made to Geographie.uni-bonn.de. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Geographie.uni-bonn.de.
Page size can be reduced by 30.8 kB (9%)
342.7 kB
311.8 kB
In fact, the total size of Giub.uni-bonn.de main page is 342.7 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 313.5 kB which makes up the majority of the site volume.
Potential reduce by 15.9 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. This page needs HTML code to be minified as it can gain 2.4 kB, which is 11% 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 15.9 kB or 77% of the original size.
Potential reduce by 8.2 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. Giub Uni Bonn images are well optimized though.
Potential reduce by 6.8 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 6.8 kB or 78% of the original size.
Number of requests can be reduced by 22 (61%)
36
14
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Giub Uni Bonn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
giub.uni-bonn.de
398 ms
www.geographie.uni-bonn.de
492 ms
www.geographie.uni-bonn.de
1014 ms
base-cachekey6228.css
196 ms
unibonn.bibliography-cachekey4950.css
294 ms
unibonn_disalbe_mark_external_links-cachekey4603.css
317 ms
unibonnprint-cachekey2369.css
320 ms
resourcecollective.flowplayer.cssflowplayer-cachekey0889.css
409 ms
portlet_page_override-cachekey8488.css
312 ms
resourceunibonn.opacportlet.stylesopacportlet-cachekey0550.css
316 ms
resourceunibonn.youtube.stylesheetsmain-cachekey8351.css
388 ms
resourceplonetruegallery-portlet-cachekey1722.css
413 ms
jquery-cachekey3247.js
510 ms
jquery.json.js
415 ms
cookie_plugin.js
422 ms
cssQuery-cachekey4684.js
581 ms
resourcecollective.flowplayerflowplayer.min-cachekey2442.js
504 ms
resourceunibonn.opacportlet.javascriptopacportlet-cachekey6185.js
505 ms
unibonn_content.js
507 ms
resourceunibonn.audiencemanagement.javascriptsaudiencemanagement-cachekey2707.js
519 ms
main.js
600 ms
kuputools.js
601 ms
initcustomtools.js
603 ms
protectemails.js
602 ms
jquery.base64.min.js
612 ms
resourceplonetruegallery-portlet-cachekey9152.js
677 ms
++resource++collective.portletpage.css
98 ms
gb.gif
99 ms
de.gif
99 ms
logo.png
128 ms
institutelogo
129 ms
folderimage
620 ms
hochgebirgsausstellung2.jpg
457 ms
refugees-portlet.gif
330 ms
image_preview
235 ms
image_mini
278 ms
spinner.gif
254 ms
input_background.gif
421 ms
bullet.gif
394 ms
giub.uni-bonn.de accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
giub.uni-bonn.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
giub.uni-bonn.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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Giub.uni-bonn.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Giub.uni-bonn.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.
giub.uni-bonn.de
Open Graph description is not detected on the main page of Giub Uni Bonn. 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: