6 sec in total
789 ms
4.8 sec
344 ms
Click here to check amazing ZDRAV OVA content for Czech Republic. Otherwise, check out these important facts you probably never knew about zdrav-ova.cz
Střední a Vyšší odborná škola zdravotnická Ostrava
Visit zdrav-ova.czWe analyzed Zdrav-ova.cz page load time and found that the first response time was 789 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
zdrav-ova.cz performance score
name
value
score
weighting
Value2.8 s
57/100
10%
Value3.9 s
53/100
25%
Value5.8 s
49/100
10%
Value1,500 ms
14/100
30%
Value0
100/100
15%
Value7.1 s
52/100
10%
789 ms
1124 ms
466 ms
240 ms
242 ms
Our browser made a total of 26 requests to load all elements on the main page. We found that all of those requests were addressed to Zdrav-ova.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Zdrav-ova.cz.
Page size can be reduced by 335.8 kB (28%)
1.2 MB
850.5 kB
In fact, the total size of Zdrav-ova.cz main page is 1.2 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. Only 10% of websites need less resources to load. Images take 914.6 kB which makes up the majority of the site volume.
Potential reduce by 26.0 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 26.0 kB or 81% of the original size.
Potential reduce by 110.3 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. Obviously, ZDRAV OVA needs image optimization as it can save up to 110.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 159.2 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 159.2 kB or 82% of the original size.
Potential reduce by 40.3 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. Zdrav-ova.cz needs all CSS files to be minified and compressed as it can save up to 40.3 kB or 90% of the original size.
Number of requests can be reduced by 3 (13%)
24
21
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZDRAV OVA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.
zdrav-ova.cz
789 ms
www.zdrav-ova.cz
1124 ms
stylesheet_combined_709f75e2ed20ab7a0872fda0d6ad26db.css
466 ms
nivo-slider.css
240 ms
Show_1.css
242 ms
jquery-1.4.2.js
1086 ms
jquery.cycle.all.min.js
490 ms
logo_cb.png
241 ms
logo_mskpo.png
362 ms
logofb.png
244 ms
phone.png
242 ms
search.png
244 ms
baner-s%C5%A1-final.jpg
1228 ms
baner-vo%C5%A1-final.jpg
1518 ms
majovka.jpg
965 ms
V118_03.jpg
967 ms
pict-info.png
959 ms
pict-uchazec.jpg
849 ms
pict-aktivity.jpg
1333 ms
pict-sluzby.jpg
1450 ms
pict-projekty.jpg
1447 ms
printbutton.gif
1210 ms
logo_OPVK.jpg
1926 ms
buttonred.png
1415 ms
dot.gif
1519 ms
stylesheet_combined_9e9801fbb28dd0f9c3cc9e97b3364e52.css
124 ms
zdrav-ova.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
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.
zdrav-ova.cz 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
zdrav-ova.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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zdrav-ova.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 Zdrav-ova.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.
zdrav-ova.cz
Open Graph description is not detected on the main page of ZDRAV OVA. 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: