5.4 sec in total
337 ms
4.4 sec
605 ms
Click here to check amazing CERVA content for Turkey. Otherwise, check out these important facts you probably never knew about cerva.com
Chráníme vaše zdraví již od roku 1991
Visit cerva.comWe analyzed Cerva.com page load time and found that the first response time was 337 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
cerva.com performance score
name
value
score
weighting
Value2.0 s
85/100
10%
Value9.1 s
1/100
25%
Value9.7 s
10/100
10%
Value1,870 ms
9/100
30%
Value0
100/100
15%
Value10.5 s
23/100
10%
337 ms
656 ms
720 ms
207 ms
214 ms
Our browser made a total of 108 requests to load all elements on the main page. We found that 92% of them (99 requests) were addressed to the original Cerva.com, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Cerva.com.
Page size can be reduced by 780.2 kB (43%)
1.8 MB
1.0 MB
In fact, the total size of Cerva.com 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. 55% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 22.0 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. This page needs HTML code to be minified as it can gain 4.1 kB, which is 15% 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 22.0 kB or 79% of the original size.
Potential reduce by 636.3 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, CERVA needs image optimization as it can save up to 636.3 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 66.0 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 66.0 kB or 55% of the original size.
Potential reduce by 55.8 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. Cerva.com needs all CSS files to be minified and compressed as it can save up to 55.8 kB or 85% of the original size.
Number of requests can be reduced by 26 (25%)
102
76
The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CERVA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
cerva.com
337 ms
www.cerva.com
656 ms
en
720 ms
style.css
207 ms
responsive.css
214 ms
jquery.fancybox-1.3.4.css
215 ms
jquery.min.js
30 ms
netteForms.js
216 ms
ajax.js
221 ms
jquery.ajaxform.js
219 ms
jquery.nette.js
310 ms
jquery.fancybox-1.3.4.pack.js
316 ms
jquery.cycle.all.js
423 ms
jquery.easing-1.3.pack.js
317 ms
jquery.mousewheel-3.0.4.pack.js
317 ms
script.js
321 ms
conversion.js
19 ms
css
37 ms
ga.js
144 ms
bg_body.png
176 ms
flag_cs.png
176 ms
flag_en.png
173 ms
flag_hu.png
173 ms
flag_ro.png
177 ms
flag_pl.png
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flag_sk.png
244 ms
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btn_big_hover.png
840 ms
bg_links_submenu_hover.png
747 ms
bg_sidemenu_hover.png
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bg_links_hover.png
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ico_arrow_link_hover.png
762 ms
ico_arrow_link2_hover.png
776 ms
ico_arrow_hover.png
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bg_sidemenu_onclick.png
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btn_small_grey_onclick.png
742 ms
btn_big_onclick.png
654 ms
btn_small_orange_onclick.png
673 ms
bg_header_shadow_homepage.png
697 ms
bg_header.png
729 ms
logo.png
727 ms
bg_input_text.png
713 ms
ico_input_search.png
655 ms
bg_links.png
673 ms
bg_links_separator2.png
701 ms
bg_links_submenu.png
728 ms
ico_arrow_slideshow_left.png
643 ms
ico_arrow_slideshow_right.png
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ico_arrow_link.png
888 ms
btn_small_orange.png
912 ms
ico_pin.png
899 ms
ico_tel.png
855 ms
print.css
108 ms
cerva.com 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
[aria-*] attributes do not match their roles
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.
cerva.com 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
Missing source maps for large first-party JavaScript
cerva.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
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
N/A
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cerva.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Cerva.com 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.
cerva.com
Open Graph description is not detected on the main page of CERVA. 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: