5.3 sec in total
949 ms
4.1 sec
300 ms
Click here to check amazing OSZ Gastgewerbe content for Germany. Otherwise, check out these important facts you probably never knew about osz-gastgewerbe.de
OSZ Oberstufenzentrum Gastgewerbe ist eine Berufsschule, Berufsoberschule, Fachschule und berufliches Gymnasium für alle Berufe der Gastronomie.
Visit osz-gastgewerbe.deWe analyzed Osz-gastgewerbe.de page load time and found that the first response time was 949 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
osz-gastgewerbe.de performance score
name
value
score
weighting
Value2.4 s
71/100
10%
Value2.9 s
82/100
25%
Value2.9 s
95/100
10%
Value50 ms
100/100
30%
Value0.174
69/100
15%
Value3.2 s
94/100
10%
949 ms
330 ms
333 ms
439 ms
777 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 98% of them (46 requests) were addressed to the original Osz-gastgewerbe.de, 2% (1 request) were made to Analytics.emumedia.de. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Osz-gastgewerbe.de.
Page size can be reduced by 503.2 kB (46%)
1.1 MB
599.8 kB
In fact, the total size of Osz-gastgewerbe.de main page is 1.1 MB. 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. Javascripts take 605.7 kB which makes up the majority of the site volume.
Potential reduce by 16.0 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 16.0 kB or 74% of the original size.
Potential reduce by 9.5 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. OSZ Gastgewerbe images are well optimized though.
Potential reduce by 420.5 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 420.5 kB or 69% of the original size.
Potential reduce by 57.1 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. Osz-gastgewerbe.de needs all CSS files to be minified and compressed as it can save up to 57.1 kB or 83% of the original size.
Number of requests can be reduced by 16 (35%)
46
30
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OSZ Gastgewerbe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
osz-gastgewerbe.de
949 ms
jcemediabox.css
330 ms
style.css
333 ms
widgetkit-1d03f88c.css
439 ms
mootools-core.js
777 ms
core.js
222 ms
caption.js
434 ms
jcemediabox.js
875 ms
jquery.js
1068 ms
widgetkit-2d56c2c2.js
769 ms
mootools-more.js
1506 ms
general.css
659 ms
template.css
1095 ms
lightbox.js
570 ms
mediaelement-and-player.js
649 ms
spotlight.js
223 ms
bg-grau.jpg
215 ms
OSZ_Header.jpg
438 ms
blank.png
232 ms
main_bg.gif
233 ms
mensa.jpg
452 ms
dehoga-logo.jpg
496 ms
partner_stempel.jpg
546 ms
searchButton.gif
448 ms
klassenzimmer.jpg
672 ms
block-li.gif
658 ms
esm15_logo.jpg
770 ms
unicef.jpg
774 ms
solarverein_logo.jpg
707 ms
osz_fruehling.jpg
1098 ms
OSZ_Gastgewerbe_LOGO_Schule_ohne_Rassismus.jpeg
1652 ms
foot_colors_jpg.jpg
988 ms
to-top.gif
923 ms
piwik.js
804 ms
slideshow.js
1162 ms
popup.html
908 ms
tooltip.html
1050 ms
fv-logo.jpg
114 ms
hoga-berlin-jpg.jpg
217 ms
proculogis_logo.jpg
219 ms
weihe_logo.gif
222 ms
ycg_logo.gif
222 ms
umweltschule.jpg
441 ms
werkstatt_n.jpg
536 ms
s_klimaschulen.jpg
548 ms
s_trenntwende.jpg
543 ms
xpert.png
544 ms
osz-gastgewerbe.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
osz-gastgewerbe.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
Issues were logged in the Issues panel in Chrome Devtools
osz-gastgewerbe.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
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osz-gastgewerbe.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 Osz-gastgewerbe.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.
osz-gastgewerbe.de
Open Graph description is not detected on the main page of OSZ Gastgewerbe. 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: