5.5 sec in total
1.4 sec
3.3 sec
846 ms
Welcome to centrumsvitidel.cz homepage info - get ready to check Centrum Svitidel best content for Czech Republic right away, or after learning these important things about centrumsvitidel.cz
☀ Centrum Svítidel
Visit centrumsvitidel.czWe analyzed Centrumsvitidel.cz page load time and found that the first response time was 1.4 sec and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
centrumsvitidel.cz performance score
name
value
score
weighting
Value4.1 s
22/100
10%
Value9.3 s
1/100
25%
Value8.1 s
21/100
10%
Value500 ms
58/100
30%
Value0.549
13/100
15%
Value6.5 s
59/100
10%
1371 ms
420 ms
221 ms
326 ms
222 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 77% of them (55 requests) were addressed to the original Centrumsvitidel.cz, 4% (3 requests) were made to Platform.twitter.com and 4% (3 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Centrumsvitidel.cz.
Page size can be reduced by 225.2 kB (15%)
1.5 MB
1.3 MB
In fact, the total size of Centrumsvitidel.cz main page is 1.5 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 48.3 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 8.1 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 48.3 kB or 79% of the original size.
Potential reduce by 81.9 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. Centrum Svitidel images are well optimized though.
Potential reduce by 40.2 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 40.2 kB or 48% of the original size.
Potential reduce by 54.8 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. Centrumsvitidel.cz needs all CSS files to be minified and compressed as it can save up to 54.8 kB or 83% of the original size.
Number of requests can be reduced by 15 (21%)
70
55
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centrum Svitidel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
centrumsvitidel.cz
1371 ms
global.css
420 ms
tools.js
221 ms
jquery-1.2.6.pack.js
326 ms
jquery.easing.1.3.js
222 ms
jquery.hotkeys-0.7.8-packed.js
222 ms
pluginDetect.js
119 ms
ga.js
26 ms
175x60.png
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88x31-a.gif
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bg-normal.jpg
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infographCZ.jpg
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all.js
12 ms
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widgets.js
66 ms
__utm.gif
29 ms
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button.0308b81ff1714e446f674b5b9793f2cd.js
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xd_arbiter.php
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xd_arbiter.php
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ping
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bullet.gif
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tweet_button.b9740740e0bcf9b0657c5b11bd4388da.cs.html
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jeskyne-bannerC.png
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bg_header-normal.jpg
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cart.gif
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like.php
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h5Lp5Et_eC4.js
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LVx-xkvaJ0b.png
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my-account.gif
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menu_button_bg.jpg
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jot
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block_header_exclusive.gif
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button-small.gif
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more.gif
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button-medium_exclusive.gif
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button-large.gif
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centrumsvitidel.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
button, link, and menuitem elements do not have accessible names.
[aria-*] attributes do not have valid values
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
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
centrumsvitidel.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
centrumsvitidel.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
robots.txt is not valid
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
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centrumsvitidel.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 Centrumsvitidel.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.
centrumsvitidel.cz
Open Graph description is not detected on the main page of Centrum Svitidel. 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: