3.9 sec in total
219 ms
3.5 sec
169 ms
Visit sichere-schule.de now to see the best up-to-date Sichere Schule content for Germany and also check out these interesting facts you probably never knew about sichere-schule.de
Unsere virtuelle „Sichere Schule“ zeigt, wie Schulen sicher und gesund gestaltet und betrieben werden können. Hinweise zu Sicherheitsorganisation, Gefährdungsbeurteilung und vieles mehr runden das Ang...
Visit sichere-schule.deWe analyzed Sichere-schule.de page load time and found that the first response time was 219 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
sichere-schule.de performance score
name
value
score
weighting
Value2.7 s
61/100
10%
Value11.6 s
0/100
25%
Value8.8 s
15/100
10%
Value480 ms
60/100
30%
Value0.156
74/100
15%
Value12.5 s
14/100
10%
219 ms
395 ms
336 ms
334 ms
171 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 96% of them (72 requests) were addressed to the original Sichere-schule.de, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Weblogs.rmscloud.de. The less responsive or slowest element that took the longest time to load (679 ms) belongs to the original domain Sichere-schule.de.
Page size can be reduced by 214.5 kB (39%)
553.4 kB
338.9 kB
In fact, the total size of Sichere-schule.de main page is 553.4 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 256.9 kB which makes up the majority of the site volume.
Potential reduce by 25.4 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 25.4 kB or 80% of the original size.
Potential reduce by 12.6 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. Sichere Schule images are well optimized though.
Potential reduce by 141.7 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 141.7 kB or 64% of the original size.
Potential reduce by 34.9 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. Sichere-schule.de needs all CSS files to be minified and compressed as it can save up to 34.9 kB or 80% of the original size.
Number of requests can be reduced by 22 (30%)
73
51
The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sichere Schule. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
sichere-schule.de
219 ms
www.sichere-schule.de
395 ms
jquery.js
336 ms
jquery.ui.js
334 ms
jquery.cookies.js
171 ms
jquery.tooltip.js
168 ms
main.js
252 ms
include.css
170 ms
startseite.css
251 ms
info.js
253 ms
sidebar.js
255 ms
submain.js
268 ms
format.css
90 ms
layout.content.print.css
92 ms
layout.content.css
171 ms
menu.css
85 ms
jquery-ui.css
87 ms
ga.js
10 ms
bg.jpg
383 ms
__utm.gif
32 ms
sishLogo.png
92 ms
start_og.jpg
443 ms
start_eg.jpg
335 ms
icon_e.jpg
85 ms
icon_bs.jpg
88 ms
icon_eh.jpg
173 ms
icon_hm.jpg
175 ms
icon_wc.jpg
177 ms
icon_spielplatz.jpg
252 ms
icon_a.jpg
254 ms
icon_sh.jpg
258 ms
icon_k.jpg
337 ms
icon_if.jpg
339 ms
icon_bi.jpg
344 ms
icon_ch.jpg
417 ms
icon_ph.jpg
439 ms
icon_sp.jpg
440 ms
icon_tx.jpg
441 ms
icon_tc.jpg
464 ms
icon_ku.jpg
500 ms
icon_t.jpg
503 ms
icon_pbar.jpg
504 ms
icon_kb.jpg
511 ms
icon_nng.jpg
514 ms
dguv_logo.png
549 ms
top.png
580 ms
k.png
583 ms
barfrei_list.gif
585 ms
sp.png
594 ms
e.png
596 ms
a.png
633 ms
bi.png
663 ms
sh.png
666 ms
bs.png
668 ms
tc.png
679 ms
piwik.js
401 ms
ch.png
603 ms
spg.png
636 ms
eh.png
663 ms
tex.png
583 ms
ph.png
586 ms
kb.png
596 ms
hm.png
521 ms
ku.png
556 ms
if.png
578 ms
nng.png
507 ms
wc.png
506 ms
t.png
519 ms
blank.png
515 ms
barfrei.gif
515 ms
etage_an.gif
502 ms
schnellnav_an.gif
484 ms
suche_an.gif
487 ms
start_an.gif
503 ms
pbar.png
503 ms
sichere-schule.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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA IDs are not unique
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
sichere-schule.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
Missing source maps for large first-party JavaScript
sichere-schule.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
DE
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sichere-schule.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Sichere-schule.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.
sichere-schule.de
Open Graph description is not detected on the main page of Sichere Schule. 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: