4.4 sec in total
395 ms
3.5 sec
538 ms
Click here to check amazing Omnitron content. Otherwise, check out these important facts you probably never knew about omnitron.cz
Hledáte distributora baterií, akumulátorů, čidel a jiných souvisejících produktů ze světa baterií? Máte specifické výrobní požadavky na bateriový pack? Společnost Omnitron je zde pro Vás.
Visit omnitron.czWe analyzed Omnitron.cz page load time and found that the first response time was 395 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
omnitron.cz performance score
name
value
score
weighting
Value6.9 s
1/100
10%
Value12.1 s
0/100
25%
Value9.9 s
10/100
10%
Value750 ms
39/100
30%
Value0.005
100/100
15%
Value11.7 s
17/100
10%
395 ms
412 ms
992 ms
69 ms
121 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 64% of them (42 requests) were addressed to the original Omnitron.cz, 9% (6 requests) were made to Googletagmanager.com and 8% (5 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 Omnitron.cz.
Page size can be reduced by 161.3 kB (5%)
3.5 MB
3.3 MB
In fact, the total size of Omnitron.cz main page is 3.5 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. 70% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.
Potential reduce by 72.0 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 11.1 kB, which is 13% 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 72.0 kB or 82% of the original size.
Potential reduce by 84.5 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. Omnitron images are well optimized though.
Potential reduce by 2.6 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. This website has mostly compressed JavaScripts.
Potential reduce by 2.3 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. Omnitron.cz has all CSS files already compressed.
Number of requests can be reduced by 33 (59%)
56
23
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Omnitron. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
omnitron.cz
395 ms
omnitron.cz
412 ms
www.omnitron.cz
992 ms
js
69 ms
js
121 ms
js
155 ms
vendor.min.css
109 ms
css
45 ms
css
61 ms
jquery.min.js
293 ms
bootstrap.bundle.min.js
492 ms
jquery-ui.min.js
45 ms
jquery-ui.min.css
59 ms
style.min.css
397 ms
all.css
43 ms
v4-shims.css
60 ms
style.css
394 ms
lightbox.css
390 ms
lightbox.js
394 ms
cookie-consent.js
402 ms
cookie-consent.css
489 ms
bootstrap-moje.css
538 ms
wowslider.js
536 ms
script.js
535 ms
jquery.cookie.min.js
535 ms
feather.min.js
712 ms
metisMenu.min.js
614 ms
perfect-scrollbar.min.js
654 ms
swiper.min.js
720 ms
noty.min.js
654 ms
jquery.countdown.min.js
653 ms
script.min.js
683 ms
js
82 ms
analytics.js
23 ms
js
78 ms
collect
22 ms
js
145 ms
collect
76 ms
logo-web.png
187 ms
logo.svg
208 ms
css2
23 ms
css2
23 ms
omnitron.jpg
649 ms
ba-hl-banner-2.jpg
1088 ms
ba-hl-banner-4.jpg
623 ms
ba-hl-banner-3.jpg
437 ms
tlacitko-produkty2.jpg
449 ms
tlacitko-sluzby4-font-segoe-ui-39.jpg
451 ms
tlacitko-podpora.jpg
535 ms
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652 ms
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654 ms
es_hr1235w.jpg
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722 ms
NaPecZTIAOhVxoMyOr9n_E7fRMQ.ttf
228 ms
NaPDcZTIAOhVxoMyOr9n_E7ffGjEKIw.ttf
228 ms
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238 ms
NaPDcZTIAOhVxoMyOr9n_E7ffBzCKIw.ttf
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loading.gif
689 ms
fa-solid-900.woff
42 ms
fa-regular-400.woff
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logo.png
576 ms
prev.png
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close.png
604 ms
omnitron.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-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
omnitron.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
omnitron.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
CS
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Omnitron.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Omnitron.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.
omnitron.cz
Open Graph description is not detected on the main page of Omnitron. 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: