6.4 sec in total
513 ms
4.7 sec
1.1 sec
Welcome to cerpadla-ivt.cz homepage info - get ready to check Cerpadla IVT best content for Czech Republic right away, or after learning these important things about cerpadla-ivt.cz
Pořiďte si tepelné čerpadlo od jedničky na trhu. IVT tepelná čerpadla za sebou mají už více než 20 000 instalací, díky tomu pomohou vybrat to nejvhodnější.
Visit cerpadla-ivt.czWe analyzed Cerpadla-ivt.cz page load time and found that the first response time was 513 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
cerpadla-ivt.cz performance score
name
value
score
weighting
Value4.8 s
12/100
10%
Value12.2 s
0/100
25%
Value8.3 s
19/100
10%
Value440 ms
64/100
30%
Value0.335
34/100
15%
Value10.6 s
23/100
10%
513 ms
746 ms
286 ms
289 ms
292 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 68% of them (36 requests) were addressed to the original Cerpadla-ivt.cz, 8% (4 requests) were made to Google-analytics.com and 6% (3 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Cerpadla-ivt.cz.
Page size can be reduced by 29.4 kB (3%)
1.2 MB
1.1 MB
In fact, the total size of Cerpadla-ivt.cz main page is 1.2 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. 55% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 22.2 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 22.2 kB or 74% of the original size.
Potential reduce by 6.3 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. Cerpadla IVT images are well optimized though.
Potential reduce by 850 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.
Number of requests can be reduced by 23 (49%)
47
24
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cerpadla IVT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
cerpadla-ivt.cz
513 ms
www.cerpadla-ivt.cz
746 ms
jquery.fancybox.min.css
286 ms
jquery.fancybox-buttons.min.css
289 ms
jquery.fancybox-thumbs.min.css
292 ms
project.css
390 ms
jquery-1.12.4.min.js
388 ms
jquery-migrate-1.4.1.min.js
290 ms
bootstrap.min.js
573 ms
main.min.js
584 ms
jquery.mousewheel-3.0.6.pack.js
592 ms
jquery.fancybox.pack.js
591 ms
jquery.fancybox-buttons.min.js
686 ms
jquery.fancybox-thumbs.min.js
688 ms
project.js
859 ms
css
95 ms
gtm.js
225 ms
fbevents.js
226 ms
bg_logo.png
317 ms
arr_default.svg
828 ms
ico_call.svg
830 ms
ico_calc.svg
832 ms
langs.png
808 ms
novy2020.jpg
1328 ms
slide2.jpg
1232 ms
slide3.jpg
1323 ms
vymena-plyn-cerpadlo.png
1496 ms
rodinny-dum-s-tepelnym-cerpadlem.png
1293 ms
ico_bullet.png
1229 ms
tepelne-cerpadlo-misto-dreva.png
1708 ms
topeni-a-chlazeni-tepelnymi-cerpadly.png
1614 ms
zach_tn.jpg
1595 ms
stastny-los2_tn.png
1710 ms
stastny-los2_tn.png
1706 ms
dotace-na-tepelna-cerpadla_tn~2_tn.png
1848 ms
kompresor_tn.png
2070 ms
dotace-na-tepelna-cerpadla_tn_tn_tn_tn_tn.png
2004 ms
glyphicons-halflings-regular.woff
1925 ms
346479015806842
514 ms
analytics.js
593 ms
conversion_async.js
682 ms
lib
922 ms
ml.js
816 ms
8ad1481a38cda0909642a80d9ba8c91b.js
1025 ms
js
130 ms
669022490217145
88 ms
landing
168 ms
linkid.js
42 ms
collect
15 ms
collect
16 ms
lib
480 ms
lib
749 ms
print.css
98 ms
cerpadla-ivt.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.
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
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
Links do not have a discernible name
cerpadla-ivt.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
cerpadla-ivt.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 doesn't use 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 Cerpadla-ivt.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 Cerpadla-ivt.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.
cerpadla-ivt.cz
Open Graph data is detected on the main page of Cerpadla IVT. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: