4.1 sec in total
369 ms
3 sec
767 ms
Click here to check amazing Usability content for Germany. Otherwise, check out these important facts you probably never knew about usability.de
usability.de ist als UX-Agentur spezialisiert auf Usability Beratung und die Optimierung von interaktiven Anwendungen, Usability-Tests, UX-Design und darauf UX ins Unternehmen zu bringen: UX-Managemen...
Visit usability.deWe analyzed Usability.de page load time and found that the first response time was 369 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
usability.de performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value3.1 s
74/100
25%
Value5.3 s
58/100
10%
Value180 ms
92/100
30%
Value0.093
91/100
15%
Value6.8 s
55/100
10%
369 ms
601 ms
27 ms
215 ms
333 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 76% of them (31 requests) were addressed to the original Usability.de, 12% (5 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Usability.de.
Page size can be reduced by 137.6 kB (38%)
363.5 kB
225.9 kB
In fact, the total size of Usability.de main page is 363.5 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 168.2 kB which makes up the majority of the site volume.
Potential reduce by 25.5 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 6.5 kB, which is 20% 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 25.5 kB or 80% of the original size.
Potential reduce by 227 B
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. Usability images are well optimized though.
Potential reduce by 69.0 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 69.0 kB or 58% of the original size.
Potential reduce by 42.9 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. Usability.de needs all CSS files to be minified and compressed as it can save up to 42.9 kB or 96% of the original size.
Number of requests can be reduced by 6 (18%)
33
27
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usability. 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 as a result speed up the page load time.
usability.de
369 ms
www.usability.de
601 ms
css
27 ms
flexslider.css
215 ms
main.css
333 ms
modernizr-2.6.2.min.js
339 ms
jquery.min.js
35 ms
respond.min.js
218 ms
plugins.js
449 ms
main.js
225 ms
usability_logo.png
228 ms
m-icon-menu.png
228 ms
s-einstieg-01.jpg
577 ms
s-einstieg-02.jpg
473 ms
l-methoden-workshop.jpg
475 ms
schatten-oben.png
381 ms
startseite-erfolgsfaktor-lg.jpg
699 ms
startseite-erfolgsfaktor-he.jpg
711 ms
startseite-erfolgsfaktor-dematic.jpg
740 ms
adidas.png
720 ms
concordia.png
830 ms
dpd.png
830 ms
rwe.png
952 ms
vci.png
955 ms
sw_adidas.png
981 ms
sw_amazon.png
1003 ms
sw_faz.png
1090 ms
sw_lg.png
1089 ms
sw_rwe.png
1212 ms
sw_siemens.png
1215 ms
sprite-contact.png
1199 ms
cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
36 ms
DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf
57 ms
MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf
66 ms
k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf
67 ms
EInbV5DfGHOiMmvb1Xr-honF5uFdDttMLvmWuJdhhgs.ttf
67 ms
icon-social-sprite.png
1140 ms
widgets.js
101 ms
ga.js
46 ms
__utm.gif
50 ms
26FEF5_0_0.woff
425 ms
usability.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
Form elements do not have associated labels
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
usability.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
usability.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usability.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Usability.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.
usability.de
Open Graph description is not detected on the main page of Usability. 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: