7.7 sec in total
394 ms
5.9 sec
1.4 sec
Visit elventil.cz now to see the best up-to-date Elventil content for Czech Republic and also check out these interesting facts you probably never knew about elventil.cz
Specializovaný obchod s elektronikou. V našem sortimentu najdete ventily, servopohony, termostaty, čerpadla, měniče, gelové baterie, záložní zdroj, solární panely.
Visit elventil.czWe analyzed Elventil.cz page load time and found that the first response time was 394 ms and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
elventil.cz performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value6.1 s
12/100
25%
Value8.8 s
16/100
10%
Value400 ms
68/100
30%
Value0.943
3/100
15%
Value11.4 s
19/100
10%
394 ms
928 ms
197 ms
484 ms
382 ms
Our browser made a total of 161 requests to load all elements on the main page. We found that 97% of them (156 requests) were addressed to the original Elventil.cz, 1% (2 requests) were made to Google-analytics.com and 1% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Elventil.cz.
Page size can be reduced by 212.2 kB (4%)
5.9 MB
5.7 MB
In fact, the total size of Elventil.cz main page is 5.9 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 5.6 MB which makes up the majority of the site volume.
Potential reduce by 108.4 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 108.4 kB or 84% of the original size.
Potential reduce by 89.7 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. Elventil images are well optimized though.
Potential reduce by 987 B
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 13.1 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. Elventil.cz needs all CSS files to be minified and compressed as it can save up to 13.1 kB or 14% of the original size.
Number of requests can be reduced by 68 (44%)
156
88
The browser has sent 156 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Elventil. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
elventil.cz
394 ms
www.elventil.cz
928 ms
cache_default_css.css
197 ms
cache_css.css
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jquery-3.3.1.min.js
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jquery-ui.min.js
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jquery-ui.min.css
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jqueryFunctions.min.js
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nouislider.min.js
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owl.carousel.min.js
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jquery.superslides.min.js
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backTop.min.js
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header_shrink.js
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dropdownScript.js
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wishlist.min.js
686 ms
productSwapImages.min.js
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modalWindowDialogClass.min.js
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productVideoModal.min.js
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topPanel.min.js
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searchBox.min.js
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autocomplete.min.js
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searchBoxSelect.min.js
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searchBoxMobile.min.js
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wishlist_box.min.js
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modalLogin.min.js
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cartContentFunctions.min.js
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cartWrap.min.js
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categoriesMenuTreeMobileInit.min.js
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slideshow.min.js
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categoriesMenuTreeInit.min.js
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leftMenu.min.js
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survey.min.js
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todayOffer.min.js
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titlePageCarouselSelectedProducts.min.js
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titlePageCarouselMostSoldProducts.min.js
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titlePageCarouselNewProducts.min.js
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productDetailCarouselProducts.min.js
684 ms
footerManufacturersCarousel.min.js
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contactForm.min.js
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mobileClassicVersion.min.js
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analytics.js
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logo.png
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elventil.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
elventil.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
elventil.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Elventil.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 Elventil.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.
elventil.cz
Open Graph description is not detected on the main page of Elventil. 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: