3.7 sec in total
317 ms
3.1 sec
211 ms
Welcome to isp.uni-luebeck.de homepage info - get ready to check ISP Uni Luebeck best content for Germany right away, or after learning these important things about isp.uni-luebeck.de
Visit isp.uni-luebeck.deWe analyzed Isp.uni-luebeck.de page load time and found that the first response time was 317 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
isp.uni-luebeck.de performance score
name
value
score
weighting
Value6.9 s
1/100
10%
Value7.2 s
5/100
25%
Value9.1 s
14/100
10%
Value90 ms
98/100
30%
Value0.07
96/100
15%
Value7.5 s
47/100
10%
317 ms
1209 ms
206 ms
209 ms
210 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that all of those requests were addressed to Isp.uni-luebeck.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Isp.uni-luebeck.de.
Page size can be reduced by 366.7 kB (44%)
838.4 kB
471.7 kB
In fact, the total size of Isp.uni-luebeck.de main page is 838.4 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. 30% of websites need less resources to load. Images take 450.4 kB which makes up the majority of the site volume.
Potential reduce by 38.4 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 38.4 kB or 82% of the original size.
Potential reduce by 57.5 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, ISP Uni Luebeck needs image optimization as it can save up to 57.5 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 196.8 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 196.8 kB or 78% of the original size.
Potential reduce by 73.9 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. Isp.uni-luebeck.de needs all CSS files to be minified and compressed as it can save up to 73.9 kB or 83% of the original size.
Number of requests can be reduced by 54 (84%)
64
10
The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ISP Uni Luebeck. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 38 to 1 for CSS and as a result speed up the page load time.
isp.uni-luebeck.de
317 ms
www.isp.uni-luebeck.de
1209 ms
system.base.css
206 ms
system.menus.css
209 ms
system.messages.css
210 ms
system.theme.css
211 ms
views_slideshow.css
213 ms
date.css
295 ms
datepicker.1.7.css
306 ms
date_repeat_field.css
307 ms
field.css
308 ms
node.css
311 ms
search.css
311 ms
user.css
394 ms
extlink.css
416 ms
views.css
415 ms
colorbox_style.css
415 ms
ctools.css
425 ms
geshifilter.css
426 ms
biblio.css
493 ms
views_slideshow_cycle.css
513 ms
superfish.css
515 ms
uhl.css
514 ms
html-reset.css
527 ms
wireframes.css
528 ms
layout-fixed.css
592 ms
page-backgrounds.css
613 ms
tabs.css
616 ms
pages.css
614 ms
blocks.css
630 ms
navigation.css
631 ms
views-styles.css
690 ms
nodes.css
714 ms
comments.css
716 ms
forms.css
717 ms
fields.css
732 ms
isp_zen_defaults.css
733 ms
isp_zen.css
608 ms
print.css
622 ms
css_injector_12.css
622 ms
jquery.js
928 ms
jquery.once.js
637 ms
drupal.js
741 ms
views_slideshow.js
607 ms
spamspan.js
623 ms
extlink.js
624 ms
jquery.colorbox-min.js
645 ms
colorbox.js
691 ms
colorbox_style.js
718 ms
jquery.cycle.all.js
843 ms
json2.js
743 ms
views_slideshow_cycle.js
744 ms
superfish.js
685 ms
sfsmallscreen.js
706 ms
jquery.hoverIntent.minified.js
777 ms
supersubs.js
741 ms
superfish.js
722 ms
spamspan.js
747 ms
uni_luebeck.png
202 ms
isp.png
104 ms
feed.png
109 ms
flur2_220x449.png
419 ms
isp.png
309 ms
turm.png
411 ms
holstentor.png
409 ms
shadow.png
211 ms
isp.uni-luebeck.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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
isp.uni-luebeck.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
isp.uni-luebeck.de SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Isp.uni-luebeck.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 Isp.uni-luebeck.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.
isp.uni-luebeck.de
Open Graph description is not detected on the main page of ISP Uni Luebeck. 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: