34.8 sec in total
614 ms
33.2 sec
1 sec
Visit resa.cz now to see the best up-to-date Resa content and also check out these interesting facts you probably never knew about resa.cz
Usedněte do sedaček RESA, kvalitu uvidíte na první pohled! V Brně vyrábíme sedačky, rozkládací sedačky se snadným rozkládáním i kožené sedací soupravy.
Visit resa.czWe analyzed Resa.cz page load time and found that the first response time was 614 ms and then it took 34.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
resa.cz performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value9.5 s
0/100
25%
Value9.3 s
13/100
10%
Value860 ms
33/100
30%
Value0.005
100/100
15%
Value19.5 s
2/100
10%
614 ms
2367 ms
314 ms
8190 ms
687 ms
Our browser made a total of 97 requests to load all elements on the main page. We found that 46% of them (45 requests) were addressed to the original Resa.cz, 29% (28 requests) were made to Resa-nabytek.cz and 6% (6 requests) were made to Secure-b.vimeocdn.com. The less responsive or slowest element that took the longest time to load (17.8 sec) belongs to the original domain Resa.cz.
Page size can be reduced by 1.1 MB (22%)
5.1 MB
4.0 MB
In fact, the total size of Resa.cz main page is 5.1 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. 45% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.
Potential reduce by 63.6 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 8.0 kB, which is 11% 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 63.6 kB or 88% of the original size.
Potential reduce by 369.4 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. Resa images are well optimized though.
Potential reduce by 549.5 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 549.5 kB or 68% of the original size.
Potential reduce by 156.6 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. Resa.cz needs all CSS files to be minified and compressed as it can save up to 156.6 kB or 89% of the original size.
Number of requests can be reduced by 31 (32%)
96
65
The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Resa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
resa_prima_-_sedacky_a_rozkladaci_taburet.html
614 ms
resa_prima_-_sedacky_a_rozkladaci_taburet.css
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WidgetCommon.js
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resa_prima_-_sedacky_a_rozkladaci_taburet.js
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analytics.js
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jquery.min.js
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jquery.mousewheel.min.js
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player.js
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resa.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
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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.
resa.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
resa.cz SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Resa.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 Resa.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.
resa.cz
Open Graph description is not detected on the main page of Resa. 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: