9.9 sec in total
4 sec
5.7 sec
177 ms
Visit stafu.de now to see the best up-to-date Stafu content and also check out these interesting facts you probably never knew about stafu.de
Network analysis for electric, gas, water, district heating; Netzberechnung für Elektrizität, Gas, Wasser und Fernwärme.
Visit stafu.deWe analyzed Stafu.de page load time and found that the first response time was 4 sec and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
stafu.de performance score
name
value
score
weighting
Value2.2 s
79/100
10%
Value5.1 s
25/100
25%
Value3.2 s
92/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value2.2 s
99/100
10%
3983 ms
327 ms
322 ms
524 ms
122 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that 91% of them (20 requests) were addressed to the original Stafu.de, 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Stafu.de.
Page size can be reduced by 212.7 kB (22%)
952.1 kB
739.4 kB
In fact, the total size of Stafu.de main page is 952.1 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. 15% of websites need less resources to load. Images take 774.1 kB which makes up the majority of the site volume.
Potential reduce by 12.6 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 12.6 kB or 78% of the original size.
Potential reduce by 94.6 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, Stafu needs image optimization as it can save up to 94.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 60.4 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 60.4 kB or 58% of the original size.
Potential reduce by 45.1 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. Stafu.de needs all CSS files to be minified and compressed as it can save up to 45.1 kB or 79% of the original size.
Number of requests can be reduced by 9 (43%)
21
12
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stafu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
stafu.de
3983 ms
css_a0b5ae6236860715fcf7e15e10056fbc.css
327 ms
css_8854390891e9b25569f3533ca851f580.css
322 ms
js_96abb3032077778bbfa60653593b0449.js
524 ms
js_e6eac597e5dffd88510ac19d73a5d854.js
122 ms
header_hintergrund.gif
113 ms
logo_de.png
112 ms
de.png
111 ms
en.png
109 ms
pl.png
209 ms
KnopfAUS_4.gif
220 ms
KnopfTRENNER.gif
223 ms
KnopfAN_black.gif
234 ms
undermenubg.png
219 ms
strich_lang.png
223 ms
stern.png
314 ms
screen1.jpg
1230 ms
screen2.jpg
835 ms
screen3.jpg
1250 ms
footer.gif
334 ms
ga.js
24 ms
__utm.gif
50 ms
stafu.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
Image elements do not have [alt] attributes
Links do not have a discernible name
stafu.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
stafu.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stafu.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 Stafu.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.
stafu.de
Open Graph description is not detected on the main page of Stafu. 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: