4 sec in total
838 ms
2.7 sec
380 ms
Welcome to bzu.ch homepage info - get ready to check Bzu best content for Switzerland right away, or after learning these important things about bzu.ch
Gymnasium, Berufsbildung und höhere Berufsbildung: Die Schulen des Bildungszentrums Uster garantieren gemeinsam eine hohe Bildungsqualität.
Visit bzu.chWe analyzed Bzu.ch page load time and found that the first response time was 838 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
bzu.ch performance score
name
value
score
weighting
Value3.4 s
37/100
10%
Value8.8 s
1/100
25%
Value5.7 s
51/100
10%
Value510 ms
57/100
30%
Value0.328
35/100
15%
Value10.0 s
27/100
10%
838 ms
180 ms
191 ms
187 ms
461 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 90% of them (43 requests) were addressed to the original Bzu.ch, 6% (3 requests) were made to Fast.fonts.net and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (838 ms) belongs to the original domain Bzu.ch.
Page size can be reduced by 521.7 kB (46%)
1.1 MB
601.2 kB
In fact, the total size of Bzu.ch 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. 45% of websites need less resources to load. Images take 474.1 kB which makes up the majority of the site volume.
Potential reduce by 11.6 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 11.6 kB or 75% of the original size.
Potential reduce by 33.5 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. Bzu images are well optimized though.
Potential reduce by 324.2 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 324.2 kB or 70% of the original size.
Potential reduce by 152.4 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. Bzu.ch needs all CSS files to be minified and compressed as it can save up to 152.4 kB or 89% of the original size.
Number of requests can be reduced by 25 (56%)
45
20
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bzu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
.179.html
838 ms
jquery.fancybox.css
180 ms
styledInput.css
191 ms
tooltipster.css
187 ms
lessphp_eb736a2a6b554f1c27010af573a4c43b7e67576e.css
461 ms
blogstyle.css
188 ms
utils.js
189 ms
jquery-2.1.4.js
453 ms
jquery.fitFontSize.js
277 ms
media.match.min.js
277 ms
enquire.js
278 ms
jquery.tooltipster.min.js
369 ms
jquery.timeago.js
368 ms
jquery.fancybox.pack.js
369 ms
styledInput.min.js
370 ms
jquery.placeholder.min.js
474 ms
hyphenator.js
740 ms
window.js
473 ms
pageHelper.js
552 ms
4e7944e6-b1ac-4c35-82bc-2339f8df909a.css
146 ms
analytics.js
99 ms
logo_bzu_neu.png
187 ms
homeIcon1.png
97 ms
mailIcon1.png
96 ms
printIcon1.png
96 ms
sitemapIcon1.png
97 ms
logo_bfsu_neu_small.png
98 ms
bfsu_hover.png
280 ms
kus.png
193 ms
kus_hover.png
190 ms
logo_hbu_neu_small.png
189 ms
hbu_hover.png
198 ms
search.png
278 ms
whiteCrossBold.png
283 ms
bzu_web_223.jpg
371 ms
crop_467x285_0x13_467x311_BZUUster_201505121268.jpg
283 ms
linkboxArrow.png
281 ms
crop_467x285_0x13_467x311_BZUUster_20150512261.jpg
370 ms
crop_467x285_213x0_892x285_bzu_web_2511.jpg
371 ms
crop_467x285_213x0_892x285_bzu_web_2231.jpg
374 ms
footer.png
375 ms
toTop.png
373 ms
downArrow_grey.png
463 ms
530dee22-e3c1-4e9f-bf62-c31d510d9656.woff
31 ms
74649485-cd74-443e-9d54-331ccd448900.woff
93 ms
collect
13 ms
lessphp_2cca3dbf73261dc282e3855a9f5163378ab6240c.css
95 ms
de.js
95 ms
bzu.ch 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.
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 IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
bzu.ch best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
bzu.ch 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
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bzu.ch 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 Bzu.ch 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.
bzu.ch
Open Graph description is not detected on the main page of Bzu. 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: