5 sec in total
326 ms
4.3 sec
436 ms
Welcome to vaillant.pl homepage info - get ready to check Vaillant best content for Poland right away, or after learning these important things about vaillant.pl
Vaillant to wiodący producent najwyższej jakości systemów domowego komfortu w zakresie ogrzewania, energii odnawialnej, chłodzenia, fotowoltaiki i rekuperacji. Z naszymi urządzeniami stworzysz intelig...
Visit vaillant.plWe analyzed Vaillant.pl page load time and found that the first response time was 326 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
vaillant.pl performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value20.7 s
0/100
25%
Value10.7 s
7/100
10%
Value290 ms
80/100
30%
Value0.157
74/100
15%
Value21.1 s
1/100
10%
326 ms
307 ms
1496 ms
532 ms
441 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 49% of them (19 requests) were addressed to the original Vaillant.pl, 21% (8 requests) were made to Cdn01l.vaillant-group.com and 8% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Vaillant.pl.
Page size can be reduced by 146.3 kB (67%)
218.7 kB
72.4 kB
In fact, the total size of Vaillant.pl main page is 218.7 kB. 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. HTML takes 128.6 kB which makes up the majority of the site volume.
Potential reduce by 112.8 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 112.8 kB or 88% of the original size.
Potential reduce by 643 B
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. Vaillant images are well optimized though.
Potential reduce by 32.0 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 32.0 kB or 60% of the original size.
Potential reduce by 883 B
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. Vaillant.pl needs all CSS files to be minified and compressed as it can save up to 883 B or 69% of the original size.
Number of requests can be reduced by 4 (13%)
31
27
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vaillant. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
vaillant.pl
326 ms
www.vaillant.pl
307 ms
1496 ms
core-1.min.css
532 ms
core.min.css
441 ms
423ee8ff-3341-4b0a-aafd-ffab7785a9e5.css
55 ms
header.min.js
271 ms
core.js
613 ms
v.gif
173 ms
gtm.js
71 ms
va.png
96 ms
wave.png
94 ms
va-pl-pl.png
182 ms
iconfont.woff
374 ms
6d6d7cf3-b082-4985-b23d-bc8c9292043a
82 ms
analytics.js
43 ms
conversion_async.js
16 ms
71 ms
collect
15 ms
collect
35 ms
collect
258 ms
231 ms
composing13-11448-01-193553-format-16-9@1136@desktop.jpg
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people14-41982-01-45606-format-16-9@1136@desktop.jpg
718 ms
prof11-4451-00-118574-format-16-9@1136@desktop.jpg
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label-471468-format-16-9@1136@desktop.jpg
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prof10-4877-01-45419-format-16-9@1136@desktop.jpg
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still05-liv-6010int01-338090-format-16-9@1136@desktop.jpg
625 ms
banery-multimatic-1136x426-v3s32-663628-format-24-9@1136@desktop.png
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baner-vr900-590302-format-24-9@1136@desktop.png
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www6lat-gwarancji-519116-format-24-9@1136@desktop.png
1148 ms
wanyy-komunikat-1136x426-540971-format-24-9@1136@desktop.jpg
894 ms
vaillant-szukaj-proj3-527443-format-16-9@1704@desktop.jpg
1403 ms
geotherm-plus-337001-format-3-4@286@desktop.jpg
893 ms
hp10-3346-02-45227-format-16-9@1136@desktop.jpg
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whbc11-3391-01-38758-format-16-9@1136@desktop.jpg
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solar10-3373-01-45262-format-16-9@1136@desktop.jpg
1332 ms
ventilation13-31727-01-140892-format-16-9@1136@desktop.jpg
1322 ms
ga-audiences
17 ms
vaillant.pl accessibility score
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
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.
vaillant.pl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
vaillant.pl SEO score
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
PL
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vaillant.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Vaillant.pl 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.
vaillant.pl
Open Graph description is not detected on the main page of Vaillant. 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: