4.6 sec in total
388 ms
3.7 sec
518 ms
Click here to check amazing Centrumvysocina content. Otherwise, check out these important facts you probably never knew about centrumvysocina.cz
Visit centrumvysocina.czWe analyzed Centrumvysocina.cz page load time and found that the first response time was 388 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
centrumvysocina.cz performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value7.1 s
5/100
25%
Value9.6 s
11/100
10%
Value510 ms
57/100
30%
Value0.263
47/100
15%
Value10.6 s
23/100
10%
388 ms
1151 ms
93 ms
180 ms
180 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that all of those requests were addressed to Centrumvysocina.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Centrumvysocina.cz.
Page size can be reduced by 219.3 kB (12%)
1.8 MB
1.6 MB
In fact, the total size of Centrumvysocina.cz main page is 1.8 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. 60% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 22.7 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 22.7 kB or 79% of the original size.
Potential reduce by 63.7 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. Centrumvysocina images are well optimized though.
Potential reduce by 118.0 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 118.0 kB or 67% of the original size.
Potential reduce by 14.9 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. Centrumvysocina.cz needs all CSS files to be minified and compressed as it can save up to 14.9 kB or 74% of the original size.
Number of requests can be reduced by 21 (22%)
94
73
The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centrumvysocina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
centrumvysocina.cz
388 ms
www.centrumvysocina.cz
1151 ms
admin.css
93 ms
jquery.fancybox.css
180 ms
jquery.fancybox-buttons.css
180 ms
jquery.fancybox-thumbs.css
182 ms
dialog.css
182 ms
jquery.js
279 ms
jquery.cookie.js
182 ms
jquery.dimensions.js
266 ms
jquery.color.js
267 ms
jquery.validate.js
269 ms
310 ms
el_utils.js
273 ms
el_ajax.js
354 ms
jquery.onlychars.js
355 ms
jquery.fancybox.js
359 ms
jquery.fancybox-buttons.js
363 ms
jquery.fancybox-media.js
368 ms
jquery.fancybox-thumbs.js
399 ms
jqModal.js
441 ms
el_dialog.js
444 ms
public.js
446 ms
default.js
453 ms
design.css
501 ms
button-home.png
96 ms
5.jpg
267 ms
6.jpg
185 ms
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sm_lzs-a4-2015.jpg
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sm_clipboard01.jpg
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sm_judita.jpg
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sm_01-ukr.JPG
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sm_lzs2014small.jpg
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bg-photos.jpg
835 ms
bg-top.jpg
660 ms
logo.png
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bg-menu.png
600 ms
menu-div.png
609 ms
bg-content.png
580 ms
bg-content-top.png
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bg-right-top.png
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581 ms
centrumvysocina.cz 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.
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
centrumvysocina.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
Browser errors were logged to the console
centrumvysocina.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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centrumvysocina.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 Centrumvysocina.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.
centrumvysocina.cz
Open Graph description is not detected on the main page of Centrumvysocina. 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: