5 sec in total
334 ms
4.3 sec
333 ms
Click here to check amazing Centralnivysa Vac E Duo content. Otherwise, check out these important facts you probably never knew about centralni-vysavace-duovac.cz
Nejzdravější vysávání pro Váš čistý domov.
Visit centralni-vysavace-duovac.czWe analyzed Centralni-vysavace-duovac.cz page load time and found that the first response time was 334 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
centralni-vysavace-duovac.cz performance score
name
value
score
weighting
Value2.1 s
81/100
10%
Value4.6 s
35/100
25%
Value4.9 s
65/100
10%
Value100 ms
98/100
30%
Value0.4
25/100
15%
Value5.1 s
75/100
10%
334 ms
801 ms
336 ms
232 ms
816 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 76% of them (34 requests) were addressed to the original Centralni-vysavace-duovac.cz, 7% (3 requests) were made to Google-analytics.com and 7% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Centralni-vysavace-duovac.cz.
Page size can be reduced by 516.2 kB (23%)
2.2 MB
1.7 MB
In fact, the total size of Centralni-vysavace-duovac.cz main page is 2.2 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. 50% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 27.0 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 6.4 kB, which is 18% 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 27.0 kB or 77% of the original size.
Potential reduce by 58.9 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. Centralnivysa Vac E Duo images are well optimized though.
Potential reduce by 214.3 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 214.3 kB or 63% of the original size.
Potential reduce by 216.0 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. Centralni-vysavace-duovac.cz needs all CSS files to be minified and compressed as it can save up to 216.0 kB or 83% of the original size.
Number of requests can be reduced by 19 (46%)
41
22
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centralnivysa Vac E Duo. 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.
centralni-vysavace-duovac.cz
334 ms
www.centralni-vysavace-duovac.cz
801 ms
css.css
336 ms
jquery.lightbox-0.5.css
232 ms
jquery-1.5.2.min.js
816 ms
default.js
239 ms
visibility.js
239 ms
jquery.lightbox-0.5.js
579 ms
stepcarousel.js
578 ms
pageBg.png
233 ms
ga.js
52 ms
docBg.png
1268 ms
sk.png
233 ms
logo.png
239 ms
goldstar.png
403 ms
infoline.png
242 ms
operator.png
404 ms
menuBg.png
473 ms
celyDum.jpg
1470 ms
mistnostHorniChodba.jpg
1404 ms
mistnostDolniChodba.jpg
1510 ms
mistnostLoznice.jpg
1648 ms
mistnostKuchyne.jpg
2399 ms
mistnostPracovna.jpg
2440 ms
mistnostGaraz.jpg
2452 ms
akce.png
2173 ms
newsBox.png
1751 ms
lightBlueBoxTop.png
1869 ms
btnNormal.png
1982 ms
lightBlueBoxBottom.png
2091 ms
sideBoxHeader.png
2287 ms
arrowBlue.png
2326 ms
arrowLight.png
2409 ms
shoppingCart.png
2522 ms
btnShadowed.png
2550 ms
__utm.gif
27 ms
__utm.gif
27 ms
lHFOvesxSUs
113 ms
www-embed-player-vflfNyN_r.css
71 ms
www-embed-player.js
94 ms
base.js
130 ms
fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
42 ms
ad_status.js
45 ms
CrYjSnGjrRCn0pd9VQsnFOvvDin1pK8aKteLpeZ5c0A.woff
75 ms
RxZJdnzeo3R5zSexge8UUbO3LdcAZYWl9Si6vvxL-qU.woff
84 ms
centralni-vysavace-duovac.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-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
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.
centralni-vysavace-duovac.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
centralni-vysavace-duovac.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
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centralni-vysavace-duovac.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 Centralni-vysavace-duovac.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.
centralni-vysavace-duovac.cz
Open Graph description is not detected on the main page of Centralnivysa Vac E Duo. 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: