1.7 sec in total
350 ms
1.2 sec
184 ms
Click here to check amazing Four D content. Otherwise, check out these important facts you probably never knew about four-d.de
Die redlogix GmbH bietet Diensteistungen rund um die Entwicklung technischer Software, meist Embedded-Echtzeit-Software mit sicherheitskritischen Aufgaben.
Visit four-d.deWe analyzed Four-d.de page load time and found that the first response time was 350 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
four-d.de performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value7.4 s
4/100
25%
Value11.3 s
5/100
10%
Value330 ms
75/100
30%
Value1.313
1/100
15%
Value7.7 s
45/100
10%
350 ms
303 ms
93 ms
204 ms
466 ms
Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Four-d.de and no external sources were called. The less responsive or slowest element that took the longest time to load (466 ms) belongs to the original domain Four-d.de.
Page size can be reduced by 14.0 kB (10%)
145.0 kB
131.0 kB
In fact, the total size of Four-d.de main page is 145.0 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. Only 10% of websites need less resources to load. Images take 130.7 kB which makes up the majority of the site volume.
Potential reduce by 5.9 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 5.9 kB or 65% of the original size.
Potential reduce by 4.0 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. Four D images are well optimized though.
Potential reduce by 4.1 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. Four-d.de needs all CSS files to be minified and compressed as it can save up to 4.1 kB or 79% of the original size.
We found no issues to fix!
11
11
The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Four D. According to our analytics all requests are already optimized.
four-d.de
350 ms
www.four-d.de
303 ms
main.css
93 ms
logo_4DE.png
204 ms
header.png
466 ms
english.gif
205 ms
logo_redBlocks_box.png
304 ms
banner_ese.png
220 ms
4D_zu_redlogix.gif
391 ms
back.gif
204 ms
shaded_pattern.gif
206 ms
shaded_px.png
221 ms
print.css
93 ms
four-d.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
four-d.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
four-d.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
Tap targets are not sized appropriately
DE
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Four-d.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 Four-d.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
four-d.de
Open Graph description is not detected on the main page of Four D. 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: