2 sec in total
322 ms
1.5 sec
161 ms
Click here to check amazing Henked content for Germany. Otherwise, check out these important facts you probably never knew about henked.de
Anhand ausgewählter Begriffe kann man auf diesen Seiten mathematische Denkweisen und Beweisverfahren kennenlernen. Außerdem gibt es ein mathematisches Wörterbuch, viele mit JavaScript programmierte ma...
Visit henked.deWe analyzed Henked.de page load time and found that the first response time was 322 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
henked.de performance score
name
value
score
weighting
Value1.7 s
92/100
10%
Value1.7 s
99/100
25%
Value2.7 s
97/100
10%
Value40 ms
100/100
30%
Value0
100/100
15%
Value1.8 s
100/100
10%
322 ms
316 ms
121 ms
110 ms
227 ms
Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to Henked.de and no external sources were called. The less responsive or slowest element that took the longest time to load (535 ms) belongs to the original domain Henked.de.
Page size can be reduced by 30.5 kB (78%)
39.0 kB
8.5 kB
In fact, the total size of Henked.de main page is 39.0 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. CSS take 17.8 kB which makes up the majority of the site volume.
Potential reduce by 13.5 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 2.6 kB, which is 16% 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 13.5 kB or 83% of the original size.
Potential reduce by 1.9 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, Henked needs image optimization as it can save up to 1.9 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 15.0 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. Henked.de needs all CSS files to be minified and compressed as it can save up to 15.0 kB or 85% of the original size.
We found no issues to fix!
21
21
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Henked. According to our analytics all requests are already optimized.
henked.de
322 ms
www.henked.de
316 ms
index.htm
121 ms
henked.css
110 ms
specials.css
227 ms
index.css
231 ms
header.jpg
164 ms
dh.jpg
162 ms
tictactoe.gif
167 ms
oaktree.gif
227 ms
wuerfel.gif
234 ms
samegame.gif
232 ms
pairs.gif
280 ms
lotto.gif
283 ms
kettenbruch.gif
322 ms
mapleinf.gif
480 ms
mathbegr.gif
377 ms
bgocker.gif
368 ms
mathbuch.gif
401 ms
mathdict.gif
401 ms
bundeslaender.gif
449 ms
mapeuropa.gif
494 ms
bgbl.gif
529 ms
dhcopyright.gif
535 ms
henked.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.
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
Form elements do not have associated labels
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
henked.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
henked.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Henked.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 Henked.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.
henked.de
Open Graph description is not detected on the main page of Henked. 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: