6.3 sec in total
980 ms
5 sec
322 ms
Click here to check amazing Jf Luebeck content. Otherwise, check out these important facts you probably never knew about jf-luebeck.de
Visit jf-luebeck.deWe analyzed Jf-luebeck.de page load time and found that the first response time was 980 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
jf-luebeck.de performance score
name
value
score
weighting
Value3.1 s
45/100
10%
Value6.6 s
8/100
25%
Value6.7 s
36/100
10%
Value80 ms
99/100
30%
Value0.17
70/100
15%
Value10.0 s
26/100
10%
980 ms
700 ms
221 ms
222 ms
943 ms
Our browser made a total of 24 requests to load all elements on the main page. We found that 96% of them (23 requests) were addressed to the original Jf-luebeck.de, 4% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Jf-luebeck.de.
Page size can be reduced by 676.7 kB (18%)
3.8 MB
3.2 MB
In fact, the total size of Jf-luebeck.de main page is 3.8 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. 20% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.
Potential reduce by 8.1 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 1.4 kB, which is 12% 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 8.1 kB or 72% of the original size.
Potential reduce by 389.8 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. Obviously, Jf Luebeck needs image optimization as it can save up to 389.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 246.6 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 246.6 kB or 71% of the original size.
Potential reduce by 32.2 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. Jf-luebeck.de needs all CSS files to be minified and compressed as it can save up to 32.2 kB or 83% of the original size.
Number of requests can be reduced by 9 (39%)
23
14
The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jf 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 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
jf-luebeck.de
980 ms
mootools-core.js
700 ms
core.js
221 ms
caption.js
222 ms
mootools-more.js
943 ms
system.css
236 ms
general.css
238 ms
template.css
514 ms
sfhover.js
338 ms
jquery.min.js
25 ms
slides.js
456 ms
system.css
127 ms
JF-HL.png
126 ms
search.png
107 ms
Unbenannt.png
2786 ms
Unbenannt1.png
2995 ms
Unbenannt2.png
2903 ms
shjf.png
645 ms
JF%20Werbung.png
1772 ms
Untitled.png
752 ms
StFV.png
766 ms
LFV.png
869 ms
DJF.png
880 ms
slides_arrows.png
980 ms
jf-luebeck.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-*] attributes do not match their roles
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
jf-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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
jf-luebeck.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
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jf-luebeck.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 Jf-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.
jf-luebeck.de
Open Graph description is not detected on the main page of Jf 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: