AlexaWhoisServer InformationDesktop SpeedMobile SpeedMobile UsabilityHTML ErrorsPingTraceroute

VAILLANT.DE Heizung? Entdecken Sie innovative Heizungen | Vaillant

vaillant.de Website Information

Daily Unique Visits: 14,968

Daily Page Views: 89,808

Income Per Day: $180

Estimated Value: $129,600

This website is located in Germany and is using following IP address 195.179.164.9. See the complete list of popular websites hosted in Germany.

vaillant.de is registered under .DE top-level domain. Please check other sites in .DE zone.

Website vaillant.de is using the following name servers:

  • n.sec-ns.net
  • m.sec-ns.de
  • c.sec-ns.de
  • a.prim-ns.de
  • a.sec-ns.net

and is probably hosted by Nexinto GmbH. See the full list of other websites hosted by Nexinto GmbH.

The highest website vaillant.de position in Alexa rank database was 12702 and the lowest rank position was 924381. Current position of vaillant.de in Alexa rank database is 95819.

Desktop speed score of vaillant.de (79/100) is better than the results of 67.91% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of vaillant.de (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.

Mobile speed score of vaillant.de (58/100) is better than the results of 50.23% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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vaillant.de Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.

vaillant.de whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.

Domain: vaillant.de
Status: connect

vaillant.de server information

Servers Location

vaillant.de desktop page speed rank

Last tested: 2018-11-06

Desktop Speed Medium
79/100

vaillant.de Desktop Speed Test Quick Summary


priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://cdn.optimizely.com/js/7922634411.js

Optimize CSS Delivery of the following:

https://cdn01l.vaillant-group.com/main/vaillant/2.73.1/core.min.css

priority - 5Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://static.hotjar.com/c/hotjar-950517.js?sv=6 (60 seconds)
https://cdn.optimizely.com/js/7922634411.js (2 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-WM2NMG (15 minutes)
https://amplify.outbrain.com/cp/obtp.js (20 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/167956…3160?v=2.8.32&r=stable (20 minutes)
https://bat.bing.com/bat.js (30 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://cdn.taboola.com/libtrc/unip/1152863/tfa.js (4 hours)

priority - 2Reduce server response time

In our test, your server responded in 0.44 seconds.

priority - 2Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 2% of the final above-the-fold content could be rendered with the full HTML response.
Click to see the screenshot with only the HTML response:

priority - 2Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 18.6KiB (23% reduction).

Compressing https://cdn01l.vaillant-group.com/main/vaillant/co…logo/img/va.jpg?2.73.1 could save 9.5KiB (59% reduction).
Compressing https://www.vaillant.de/vaillant-de/startseite-1/i…t-16-9@392@desktop.jpg could save 6.2KiB (15% reduction).
Compressing https://www.vaillant.de/vaillant-de/v1-1034232-format-16-9@392@desktop.jpg could save 1.9KiB (14% reduction).
Compressing https://www.vaillant.de/produkte/2-emotion/composi…t-16-9@392@desktop.jpg could save 1.1KiB (11% reduction).

priority - 0Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 1.1KiB (49% reduction).

Compressing https://ilead.itrack.it/clients/DEtracking/c19059/…asp?type=visit&page=AK could save 767B (51% reduction).
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priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 446B (30% reduction).

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vaillant.de Desktop Resource Breakdown

Total Resources72
Number of Hosts39
Static Resources24
JavaScript Resources26
CSS Resources1

vaillant.de mobile page speed rank

Last tested: 2018-11-07

Mobile Speed Bad
58/100

vaillant.de Mobile Speed Test Quick Summary


priority - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://cdn.optimizely.com/js/7922634411.js

Optimize CSS Delivery of the following:

https://cdn01l.vaillant-group.com/main/vaillant/2.73.1/core.min.css

priority - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 12% of the final above-the-fold content could be rendered with the full HTML response.
Click to see the screenshot with only the HTML response:

priority - 8Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://static.hotjar.com/c/hotjar-950517.js?sv=6 (60 seconds)
https://cdn.optimizely.com/js/7922634411.js (2 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-WM2NMG (15 minutes)
https://amplify.outbrain.com/cp/obtp.js (20 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/167956…3160?v=2.8.32&r=stable (20 minutes)
https://bat.bing.com/bat.js (30 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://cdn.adtriba.com/v2/adtriba.js (2 hours)
https://www.google-analytics.com/analytics.js (2 hours)
https://cdn.taboola.com/libtrc/unip/1152863/tfa.js (4 hours)

priority - 4Reduce server response time

In our test, your server responded in 0.44 seconds.

priority - 3Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 26.2KiB (62% reduction).

Compressing https://cdn01l.vaillant-group.com/main/vaillant/co…/highres/va.jpg?2.73.1 could save 26.2KiB (62% reduction).

priority - 0Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 1.1KiB (49% reduction).

Compressing https://ilead.itrack.it/clients/DEtracking/c19059/…asp?type=visit&page=AK could save 767B (51% reduction).
Compressing https://www.youtube.com/iframe_api could save 369B (43% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 446B (30% reduction).

Minifying https://ilead.itrack.it/clients/DEtracking/c19059/…asp?type=visit&page=AK could save 446B (30% reduction).

vaillant.de Mobile Resource Breakdown

Total Resources71
Number of Hosts42
Static Resources24
JavaScript Resources27
CSS Resources1

vaillant.de mobile page usability

Last tested: 2018-11-07

Mobile Usability Good
99/100

vaillant.de Mobile Usability Test Quick Summary


priority - 0Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="/heizung/service/suchergebnis/" class="layout__search__toggle"> is close to 1 other tap targets.

The tap target <a href="/heizung/service/suchergebnis/" class="layout__search__toggle"> is close to 1 other tap targets.

The tap target <a href="https://www.va…s/datenschutz/" class="link--external">Datenschutzerklärung</a> is close to 1 other tap targets.

The tap target <label for="password" class="form__label--hidden">Passwort</label> is close to 1 other tap targets.
The tap target <a href="/heizung/heizu…modernisieren/" class="link--internal">Ratgebern Heiz…modernisieren</a> is close to 1 other tap targets.

vaillant.de HTML validation

Warnings

The “link” role is unnecessary for element “a”.

Line: 56 Column: 5157 - 5265
"..._wrapper"><a role="link" class="quicklinks__element" href="/heizung/heizung-finden/heizung-kaufen/beratung-anfordern/"><div c..." Line: 56 Column: 5399 - 5495
"...</div></a><a role="link" class="quicklinks__element" href="/heizung/heizung-finden/aktion-heizungstausch/"><div c..."

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 112 Column: 919 - 951
"...Login</h3><section class="form" id="login"><form ..."

Errors

Attribute “autocapitalize” not allowed on element “input” at this point.

Line: 112 Column: 1223 - 1414
"...il</label><input aria-required="true" autocapitalize="off" autocorrect="off" class="form__email form__required form__input--fullwidth" id="username" name="username" spellcheck="" placeholder="E-Mail" /></div>..."

Attribute “autocorrect” not allowed on element “input” at this point.

Line: 112 Column: 1223 - 1414
"...il</label><input aria-required="true" autocapitalize="off" autocorrect="off" class="form__email form__required form__input--fullwidth" id="username" name="username" spellcheck="" placeholder="E-Mail" /></div>..."

The “itemprop” attribute was specified, but the element is not a property of any item.

Line: 67 Column: 25047 - 25147
"...er-image"><span data-picture="" itemprop="image" data-alt="Vaillant Heizung an Wand mit Garten im Hintergrund"><span ..." Line: 108 Column: 428 - 531
"...age--top"><span data-picture="" itemprop="image" data-alt="Heizung modernisieren | Vaillant" data-preview="false"><span ..." Line: 110 Column: 1226 - 1318
"...age--top"><span data-picture="" itemprop="image" data-alt="Aktion Heizungstausch" data-preview="false"><span ..." Line: 153 Column: 408 - 507
"...ge--left"><span data-picture="" itemprop="image" data-alt="Heizung verstehen | Vaillant" data-preview="false"><span ..." Line: 155 Column: 1539 - 1658
"...age--top"><span data-picture="" itemprop="image" data-alt="Vaillant Bulli an Kundenforen zu Gast | Vaillant" data-preview="false"><span ..." Line: 157 Column: 1088 - 1209
"...age--top"><span data-picture="" itemprop="image" data-alt="Ihr Weg zu Heizung, Lüftung und Service | Vaillant" data-preview="false"><span ..." Line: 159 Column: 1063 - 1153
"...age--top"><span data-picture="" itemprop="image" data-alt="Green iQ | Vaillant" data-preview="false"><span ..." Line: 161 Column: 1037 - 1096
"...age--top"><span data-picture="" itemprop="image" data-preview="false"><span ..." Line: 163 Column: 1242 - 1354
"...age--top"><span data-picture="" itemprop="image" data-alt="Unterstützung für Ihre Heizung | Vaillant" data-preview="false"><span ..." Line: 165 Column: 724 - 822
"...ge--left"><span data-picture="" itemprop="image" data-alt="Raustauschwochen | Vaillant" data-preview="false"><span ..."

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vaillant.de Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.

vaillant.de TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.