3.8 sec in total
407 ms
3.2 sec
187 ms
Visit lap.uni-bonn.de now to see the best up-to-date Lap Uni Bonn content for Germany and also check out these interesting facts you probably never knew about lap.uni-bonn.de
Visit lap.uni-bonn.deWe analyzed Lap.uni-bonn.de page load time and found that the first response time was 407 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 55% of websites can load faster.
lap.uni-bonn.de performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value6.5 s
9/100
25%
Value7.7 s
25/100
10%
Value680 ms
44/100
30%
Value0.01
100/100
15%
Value6.7 s
56/100
10%
407 ms
596 ms
750 ms
198 ms
307 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that all of those requests were addressed to Lap.uni-bonn.de and no external sources were called. The less responsive or slowest element that took the longest time to load (761 ms) belongs to the original domain Lap.uni-bonn.de.
Page size can be reduced by 70.7 kB (19%)
371.8 kB
301.1 kB
In fact, the total size of Lap.uni-bonn.de main page is 371.8 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. 25% of websites need less resources to load. Images take 341.2 kB which makes up the majority of the site volume.
Potential reduce by 16.9 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. 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 16.9 kB or 77% of the original size.
Potential reduce by 47.1 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. Obviously, Lap Uni Bonn needs image optimization as it can save up to 47.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
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 18 (43%)
42
24
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lap 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 12 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
lap.uni-bonn.de
407 ms
www.lap.uni-bonn.de
596 ms
www.lap.uni-bonn.de
750 ms
base-cachekey3092.css
198 ms
unibonnprint-cachekey7987.css
307 ms
unibonn_disalbe_mark_external_links-cachekey0461.css
316 ms
unibonn.bibliography-cachekey1325.css
317 ms
unibonn-cachekey7394.css
411 ms
maps-cachekey7842.css
316 ms
resourceunibonn.youtube.stylesheetsmain-cachekey7877.css
317 ms
resourceplonetruegallery-portlet-cachekey7587.css
403 ms
jquery-cachekey5971.js
511 ms
jquery.json.js
418 ms
cookie_plugin.js
421 ms
cssQuery-cachekey3230.js
528 ms
unibonn_content.js
500 ms
resourceunibonn.audiencemanagement.javascriptsaudiencemanagement-cachekey4709.js
507 ms
main.js
554 ms
kuputools.js
559 ms
initcustomtools.js
635 ms
protectemails.js
640 ms
jquery.base64.min.js
642 ms
resourceplonetruegallery-portlet-cachekey2527.js
611 ms
input_background.gif
134 ms
gb.gif
134 ms
de.gif
132 ms
logo.png
134 ms
institutelogo
136 ms
folderimage
453 ms
image_preview
395 ms
image_preview
383 ms
image_tile
269 ms
image_icon
290 ms
image_thumb
390 ms
image_tile
407 ms
image_tile
423 ms
image_custom
614 ms
bullet.gif
530 ms
image_preview
630 ms
image_preview
638 ms
image_preview
658 ms
image_preview
581 ms
image_preview
761 ms
image_preview
718 ms
spinner.gif
746 ms
lap.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.
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
lap.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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
lap.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lap.uni-bonn.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Lap.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.
lap.uni-bonn.de
Open Graph description is not detected on the main page of Lap 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: