5.6 sec in total
384 ms
4.2 sec
930 ms
Click here to check amazing Vaillant Group content for Netherlands. Otherwise, check out these important facts you probably never knew about vaillant-group.com
Als ein führender Anbieter von Wärmepumpen, Gas-Brennwertgeräten und digitalen Servicedienstleistungen setzt die Vaillant Group Maßstäbe für klimafreundliche Heiz- und Klimatechniklösungen.
Visit vaillant-group.comWe analyzed Vaillant-group.com page load time and found that the first response time was 384 ms and then it took 5.2 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-group.com performance score
name
value
score
weighting
Value2.7 s
62/100
10%
Value2.8 s
83/100
25%
Value4.4 s
75/100
10%
Value80 ms
99/100
30%
Value0.307
38/100
15%
Value5.0 s
76/100
10%
384 ms
518 ms
437 ms
261 ms
612 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that 77% of them (43 requests) were addressed to the original Vaillant-group.com, 16% (9 requests) were made to Cdn01l.vaillant-group.com and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Vaillant-group.com.
Page size can be reduced by 124.4 kB (77%)
162.1 kB
37.7 kB
In fact, the total size of Vaillant-group.com main page is 162.1 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. 70% of websites need less resources to load. HTML takes 103.5 kB which makes up the majority of the site volume.
Potential reduce by 91.6 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 15.7 kB, which is 15% 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 91.6 kB or 89% of the original size.
Potential reduce by 834 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. Obviously, Vaillant Group needs image optimization as it can save up to 834 B or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
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.
Number of requests can be reduced by 3 (6%)
51
48
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vaillant Group. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
vaillant-group.com
384 ms
www.vaillant-group.com
518 ms
core.min.css
437 ms
header.min.js
261 ms
core.js
612 ms
gtm.js
114 ms
vaillant-group-logo.svg
96 ms
sprite@2x.png
98 ms
logos--vg.svg
1106 ms
compatilfactltpro-rg.woff
1032 ms
compatilfactltpro-bd.woff
101 ms
iconfont-vg.woff
1031 ms
analytics.js
17 ms
collect
25 ms
collect
35 ms
herospace-nachhaltigkeitspreis-661642-format-24-9@1600@desktop.jpg
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646 ms
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642 ms
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639 ms
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777 ms
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639 ms
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641 ms
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645 ms
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713 ms
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710 ms
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710 ms
firstspirit-1424178528281mwk-2934-369248-format-9-7@480@desktop.jpg
725 ms
01-1-b-infobubble-01-367137-format-9-7@480@desktop.jpg
794 ms
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792 ms
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796 ms
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813 ms
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883 ms
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989 ms
00-f-content-teaser-367631-format-24-9@1600@desktop.jpg
1034 ms
00-d-logo-vaillant-367497-format-16-9@480@mobile.png
967 ms
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969 ms
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971 ms
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1055 ms
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1057 ms
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1059 ms
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1075 ms
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1121 ms
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1231 ms
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1144 ms
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1146 ms
d-markenkarussel-bulex-04-367504-format-16-9@480@desktop.png
1163 ms
mediakit
582 ms
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606 ms
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607 ms
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621 ms
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750 ms
vaillant-group.com 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-*] attributes do not match their roles
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
vaillant-group.com 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
vaillant-group.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
DE
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vaillant-group.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Vaillant-group.com 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-group.com
Open Graph data is detected on the main page of Vaillant Group. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: