2.8 sec in total
257 ms
2.4 sec
176 ms
Welcome to chf.de homepage info - get ready to check Chf best content for Germany right away, or after learning these important things about chf.de
CTA und PTA - Ausbildung mit Markenzeichen seit 1951. Wir sind eine staatlich anerkannte Privatschule, UNESCO-Projektschule, und arbeiten auf gemeinnütziger Basis und im öffentlichen Interesse.
Visit chf.deWe analyzed Chf.de page load time and found that the first response time was 257 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
chf.de performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value11.1 s
0/100
25%
Value6.3 s
41/100
10%
Value340 ms
74/100
30%
Value0.495
16/100
15%
Value10.8 s
22/100
10%
257 ms
360 ms
200 ms
205 ms
6 ms
Our browser made a total of 94 requests to load all elements on the main page. We found that 96% of them (90 requests) were addressed to the original Chf.de, 2% (2 requests) were made to Cdnjs.cloudflare.com and 1% (1 request) were made to Ssl.gstatic.com. The less responsive or slowest element that took the longest time to load (743 ms) belongs to the original domain Chf.de.
Page size can be reduced by 77.6 kB (37%)
208.5 kB
130.9 kB
In fact, the total size of Chf.de main page is 208.5 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. 25% of websites need less resources to load. Images take 110.6 kB which makes up the majority of the site volume.
Potential reduce by 20.6 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 20.6 kB or 80% of the original size.
Potential reduce by 6.8 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. Chf images are well optimized though.
Potential reduce by 38.2 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 38.2 kB or 66% of the original size.
Potential reduce by 12.0 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. Chf.de needs all CSS files to be minified and compressed as it can save up to 12.0 kB or 83% of the original size.
Number of requests can be reduced by 47 (52%)
90
43
The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
chf.de
257 ms
www.chf.de
360 ms
formate.css
200 ms
nav-haupt.js
205 ms
cookieconsent.min.js
6 ms
fusszeileRoot.js
131 ms
logo2010_2_index.gif
104 ms
logo2010_index.gif
106 ms
logo2010_2.gif
113 ms
logo2010.gif
191 ms
logo-o2-startseite.gif
204 ms
logo-o1-startseite.gif
205 ms
logo-o2.gif
206 ms
logo-o1.gif
207 ms
logo-u2.gif
222 ms
logo-u1.gif
286 ms
m-chf2.gif
306 ms
m-chf1.gif
307 ms
m-ausbildung2.gif
309 ms
m-ausbildung1.gif
309 ms
m-aktuelles2.gif
331 ms
m-aktuelles1.gif
382 ms
m-benzolring2.gif
498 ms
m-benzolring1.gif
506 ms
m-gaestebuch2.gif
420 ms
m-gaestebuch1.gif
421 ms
m-kontakt2.gif
442 ms
m-kontakt1.gif
477 ms
m-eduthek2.gif
515 ms
m-eduthek1.gif
517 ms
m-projekte2.gif
552 ms
m-projekte1.gif
571 ms
m-extras2.gif
598 ms
m-extras1.gif
607 ms
m-suchen2.gif
617 ms
m-suchen1.gif
619 ms
m-berufsinfo2.gif
661 ms
m-berufsinfo1.gif
666 ms
logo-maildatenbank2.gif
700 ms
logo-maildatenbank1.gif
707 ms
logo-maildatenbank-index2.gif
719 ms
gplus-32.png
57 ms
piwik.js
401 ms
logo-maildatenbank-index1.gif
715 ms
_c.gif
674 ms
titel1.GIF
663 ms
chf1.gif
695 ms
aktuelles1.gif
625 ms
ausbildung1.gif
627 ms
berufsinfo1.gif
625 ms
projekte1.gif
657 ms
english.gif
681 ms
extras1.gif
686 ms
gaestebuch1.gif
632 ms
kontakt1.gif
625 ms
suchen1.gif
626 ms
eduthek1.gif
651 ms
1-benzolring.gif
688 ms
1-freiplaetze.gif
679 ms
qm.gif
638 ms
pse-quiz.gif
614 ms
1-preisraetsel.gif
614 ms
ecards.gif
611 ms
1-cd-a.gif
630 ms
maildb.gif
616 ms
faq.gif
614 ms
ups.gif
620 ms
fede70.gif
621 ms
index4.jpg
691 ms
bvqi-neu.gif
646 ms
bertelsmann80.gif
616 ms
isa-x.gif
614 ms
sor.gif
622 ms
clubofbudapest.gif
623 ms
vdpeuropaschule.gif
654 ms
obenlinks.gif
660 ms
oben1b.gif
623 ms
obenrechts.gif
634 ms
links-neu.GIF
624 ms
hinweis-aktuell.gif
616 ms
rechts-neu.GIF
655 ms
seit1951.gif
652 ms
index.jpg
743 ms
links.GIF
623 ms
rechts.GIF
624 ms
untenlinks.gif
624 ms
unten-neu1.gif
661 ms
untenrechts.gif
643 ms
facebook.png
625 ms
youtube.png
638 ms
google.png
626 ms
sitemap4.gif
693 ms
top.gif
673 ms
dark-top.css
3 ms
chf.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-hidden="true"] elements contain focusable descendents
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
chf.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
chf.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 Chf.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 Chf.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.
chf.de
Open Graph description is not detected on the main page of Chf. 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: