5.2 sec in total
1.5 sec
3.1 sec
662 ms
Click here to check amazing Vysokeskoly content for Czech Republic. Otherwise, check out these important facts you probably never knew about vysokeskoly.cz
S volbou správné vysoké školy pomáháme už od roku 2000. Vybírejte vysokou školu podle zaměření a oboru studia, preferované lokality nebo typu a formy studia. Prohlédněte si podmínky přijetí na vysokou...
Visit vysokeskoly.czWe analyzed Vysokeskoly.cz page load time and found that the first response time was 1.5 sec and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
vysokeskoly.cz performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value10.3 s
0/100
25%
Value8.0 s
22/100
10%
Value510 ms
57/100
30%
Value0
100/100
15%
Value8.2 s
40/100
10%
1464 ms
362 ms
83 ms
164 ms
243 ms
Our browser made a total of 97 requests to load all elements on the main page. We found that 63% of them (61 requests) were addressed to the original Vysokeskoly.cz, 10% (10 requests) were made to Static.xx.fbcdn.net and 7% (7 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Vysokeskoly.cz.
Page size can be reduced by 144.0 kB (20%)
728.5 kB
584.5 kB
In fact, the total size of Vysokeskoly.cz main page is 728.5 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. 50% of websites need less resources to load. Images take 470.3 kB which makes up the majority of the site volume.
Potential reduce by 54.5 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 17.3 kB, which is 26% 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 54.5 kB or 81% of the original size.
Potential reduce by 19.1 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. Vysokeskoly images are well optimized though.
Potential reduce by 6.9 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. This website has mostly compressed JavaScripts.
Potential reduce by 63.6 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. Vysokeskoly.cz needs all CSS files to be minified and compressed as it can save up to 63.6 kB or 84% of the original size.
Number of requests can be reduced by 41 (44%)
94
53
The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vysokeskoly. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
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vysokeskoly.cz 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
[role]s are not contained by their required parent element
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
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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
vysokeskoly.cz 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
Page has valid source maps
vysokeskoly.cz 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
CS
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vysokeskoly.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Vysokeskoly.cz 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.
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vysokeskoly.cz
Open Graph data is detected on the main page of Vysokeskoly. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: