3.1 sec in total
362 ms
2.5 sec
226 ms
Welcome to ujak.cz homepage info - get ready to check UJAK best content for Czech Republic right away, or after learning these important things about ujak.cz
Univerzita J.A.Komenského Praha - vysokoškolské studium Bc, Mgr, doktorské studium. Začněte studovat ihned. Soukromá Univerzita s akreditacemi pro obory Vzdělávání dospělých, Speciální pedagogika, Cel...
Visit ujak.czWe analyzed Ujak.cz page load time and found that the first response time was 362 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
ujak.cz performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value6.6 s
8/100
25%
Value9.0 s
15/100
10%
Value690 ms
44/100
30%
Value0.009
100/100
15%
Value10.2 s
26/100
10%
362 ms
445 ms
127 ms
251 ms
256 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 95% of them (58 requests) were addressed to the original Ujak.cz, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Maps.google.com. The less responsive or slowest element that took the longest time to load (858 ms) belongs to the original domain Ujak.cz.
Page size can be reduced by 519.2 kB (64%)
813.3 kB
294.1 kB
In fact, the total size of Ujak.cz main page is 813.3 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. Javascripts take 513.4 kB which makes up the majority of the site volume.
Potential reduce by 31.5 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. 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 31.5 kB or 78% of the original size.
Potential reduce by 6.1 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. UJAK images are well optimized though.
Potential reduce by 372.8 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 372.8 kB or 73% of the original size.
Potential reduce by 108.9 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. Ujak.cz needs all CSS files to be minified and compressed as it can save up to 108.9 kB or 87% of the original size.
Number of requests can be reduced by 44 (75%)
59
15
The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UJAK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
ujak.cz
362 ms
www.ujak.cz
445 ms
main.css
127 ms
live.css
251 ms
prettyPhoto.css
256 ms
debug.css
251 ms
jquery-ui.css
262 ms
jquery-min.js
403 ms
jquery-ui-min.js
527 ms
jquery.prettyPhoto.js
387 ms
cufon-yui.js
516 ms
jquery.jcarousel.js
396 ms
jquery.cycle.all.js
412 ms
jquery.captcha.js
507 ms
init.js
516 ms
live.js
523 ms
js
19 ms
basic.css
411 ms
html-bg.png
378 ms
body-bg.png
348 ms
brand-bg.png
352 ms
logo.png
350 ms
cols-bg.png
348 ms
col-heading-left.png
346 ms
col-heading-right.png
349 ms
news_default_mini.jpg
350 ms
news-slider-left.png
351 ms
news-slider-right.png
352 ms
ico-blue.png
340 ms
calendar-top.png
364 ms
calendar-bottom.png
364 ms
ico-nav-left.png
364 ms
ico-nav-right.png
365 ms
calendar-mini-actual.png
364 ms
calendar-mini-toolbox-top.png
420 ms
col-heading-orange-left.png
470 ms
col-heading-orange-right.png
472 ms
ico-fb.png
475 ms
ico-tw.png
477 ms
ico-yt.png
485 ms
ico-rss.png
535 ms
links-slider-left.png
588 ms
links-slider-right.png
590 ms
cols-bottom-bg.png
595 ms
trailer-bg.png
585 ms
slideshow_img_132584432053.jpg
848 ms
trailer-mask.png
637 ms
trailer-desc-left.png
704 ms
trailer-desc-right.png
705 ms
info-box-bg.png
706 ms
search-box-bg.png
712 ms
search-box-button.png
753 ms
resize_image.php
858 ms
footer-top-mask.png
840 ms
ga.js
309 ms
resize_image.php
576 ms
resize_image.php
727 ms
footer-bottom-top.png
557 ms
footer-bottom-bottom.png
649 ms
trailer-slider-control-left.png
658 ms
__utm.gif
11 ms
ujak.cz accessibility score
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
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.
ujak.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
Registers an unload listener
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
ujak.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
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ujak.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Ujak.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.
ujak.cz
Open Graph description is not detected on the main page of UJAK. 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: