3.4 sec in total
308 ms
3 sec
152 ms
Visit ibmb.uni-bonn.de now to see the best up-to-date Ibmb Uni Bonn content for Germany and also check out these interesting facts you probably never knew about ibmb.uni-bonn.de
Visit ibmb.uni-bonn.deWe analyzed Ibmb.uni-bonn.de page load time and found that the first response time was 308 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
ibmb.uni-bonn.de performance score
name
value
score
weighting
Value5.4 s
7/100
10%
Value5.5 s
19/100
25%
Value7.9 s
22/100
10%
Value20 ms
100/100
30%
Value0.003
100/100
15%
Value5.4 s
72/100
10%
308 ms
592 ms
758 ms
202 ms
301 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that all of those requests were addressed to Ibmb.uni-bonn.de and no external sources were called. The less responsive or slowest element that took the longest time to load (758 ms) belongs to the original domain Ibmb.uni-bonn.de.
Page size can be reduced by 36.0 kB (17%)
214.4 kB
178.4 kB
In fact, the total size of Ibmb.uni-bonn.de main page is 214.4 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. 15% of websites need less resources to load. Images take 184.4 kB which makes up the majority of the site volume.
Potential reduce by 16.5 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. This page needs HTML code to be minified as it can gain 2.9 kB, which is 13% 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 16.5 kB or 77% of the original size.
Potential reduce by 12.8 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. Ibmb 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 21 (70%)
30
9
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ibmb 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 9 to 1 for CSS and as a result speed up the page load time.
ibmb.uni-bonn.de
308 ms
www.ibmb.uni-bonn.de
592 ms
www.ibmb.uni-bonn.de
758 ms
base-cachekey6271.css
202 ms
unibonnprint-cachekey3643.css
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unibonn_disalbe_mark_external_links-cachekey1488.css
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unibonn.bibliography-cachekey6142.css
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unibonn-cachekey1903.css
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maps-cachekey0474.css
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resourceeasySlider-cachekey7464.css
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resourceeasyslider-portlet-cachekey6183.css
396 ms
resourceplonetruegallery-portlet-cachekey4816.css
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jquery-cachekey2742.js
500 ms
jquery.json.js
405 ms
cookie_plugin.js
406 ms
cssQuery-cachekey0425.js
589 ms
unibonn_content.js
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resourceunibonn.audiencemanagement.javascriptsaudiencemanagement-cachekey0347.js
498 ms
main.js
509 ms
kuputools.js
509 ms
initcustomtools.js
597 ms
resourceeasySlider-cachekey2189.js
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resourceeasyslider-portlet-cachekey6377.js
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protectemails.js
598 ms
jquery.base64.min.js
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resourceplonetruegallery-portlet-cachekey3406.js
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input_background.gif
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gb.gif
100 ms
de.gif
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logo.png
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institutelogo
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folderimage
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spinner.gif
214 ms
ibmb.uni-bonn.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
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.
ibmb.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
ibmb.uni-bonn.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 Ibmb.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 matches the claimed language. Our system also found out that Ibmb.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.
ibmb.uni-bonn.de
Open Graph description is not detected on the main page of Ibmb 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: