VIESSMANN.BE Viessmann | Energie-efficiënte verwarming van uw woning

viessmann.be Website Information

Daily Unique Visits: 1,201

Daily Page Views: 2,402

Income Per Day: $7

Estimated Value: $1,680

This website is located in Germany and is using following IP address 93.122.86.52. See the complete list of popular websites hosted in Germany.

viessmann.be is registered under .BE top-level domain. Please check other sites in .BE zone.

Website viessmann.be is using the following name servers:

  • auth54.ns.de.uu.net
  • auth04.ns.de.uu.net

and is probably hosted by T-Systems International GmbH. See the full list of other websites hosted by T-Systems International GmbH.

The highest website viessmann.be position in Alexa rank database was 67247 and the lowest rank position was 996926. Current position of viessmann.be in Alexa rank database is 596911.

Desktop speed score of viessmann.be (81/100) is better than the results of 71.91% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of viessmann.be (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 viessmann.be (57/100) is better than the results of 48.04% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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viessmann.be 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.


viessmann.be 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.


% .be Whois Server 6.1
%
% The WHOIS service offered by DNS Belgium and the access to the records in the DNS Belgium
% WHOIS database are provided for information purposes only. It allows
% persons 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.
%
% DNS Belgium cannot, under any circumstances, be held liable where the stored
% information would prove to be incomplete or inaccurate in any sense.
%
% By submitting a query you agree not to use the information made available
% to:
% - allow, enable or otherwise support the transmission of unsolicited,
% commercial advertising or other solicitations whether via email or otherwise;
% - target advertising in any possible way;
% - to cause nuisance in any possible way to the domain name holders by sending
% messages to them (whether by automated, electronic processes capable of
% enabling high volumes or other possible means).
%
% Without prejudice to the above, it is explicitly forbidden to extract, copy
% and/or use or re-utilise in any form and by any means (electronically or
% not) the whole or a quantitatively or qualitatively substantial part
% of the contents of the WHOIS database without prior and explicit permission
% by DNS Belgium, nor in any attempt thereof, to apply automated, electronic
% processes to DNS Belgium (or its systems).
%
% You agree that any reproduction and/or transmission of data for commercial
% purposes will always be considered as the extraction of a substantial
% part of the content of the WHOIS database.
%
% By submitting the query you agree to abide by this policy and accept that
% DNS Belgium can take measures to limit the use of its whois services in order to
% protect the privacy of its registrants or the integrity of the database.
%

Domain: viessmann.be
Status: NOT AVAILABLE
Registered: Wed Mar 3 1999

Registrant:
Not shown, please visit www.dnsbelgium.be for webbased whois.

Registrar Technical Contacts:
Organisation: Verizon Deutschland GmbH
Language: en
Phone: +49.2319721299

Registrar:
Name: Verizon Deutschland GmbH
Website: http://dnr.emea.verizon.com/uk/

Nameservers:
auth04.ns.de.uu.net
auth54.ns.de.uu.net

Keys:

Flags:

Please visit www.dnsbelgium.be for more info.

viessmann.be server information

Servers Location

viessmann.be desktop page speed rank

Last tested: 2019-11-24


Desktop Speed Medium
81/100

viessmann.be Desktop Speed Test Quick Summary


priority - 16Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

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priority - 4Leverage 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://www.googletagmanager.com/gtm.js?id=GTM-KZJZJ8N (15 minutes)
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priority - 2Prioritize visible content

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Only about 11% 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 - 0Optimize images

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priority - 0Minify JavaScript

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priority - 0Enable compression

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viessmann.be Desktop Resource Breakdown

Total Resources102
Number of Hosts8
Static Resources92
JavaScript Resources11
CSS Resources3

viessmann.be mobile page speed rank

Last tested: 2019-10-11


Mobile Speed Bad
57/100

viessmann.be Mobile Speed Test Quick Summary


priority - 64Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.viessmann.be/etc/clientlibs/viessmann/…510758916352-lc.min.js

Optimize CSS Delivery of the following:

https://www.viessmann.be/etc/clientlibs/viessmann/…10758916352-lc.min.css
https://www.viessmann.be/etc/clientlibs/viessmann/…10758916352-lc.min.css
https://fast.fonts.net/t/1.css?apiType=css&project…43ac-b8c5-2c4809e5a450

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 17% 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://www.viessmann.be/content/dam/vi-corporate/…/original./Austria.png (3.4 minutes)
https://www.viessmann.be/content/dam/vi-corporate/…s/original./Canada.png (3.4 minutes)
https://www.viessmann.be/content/dam/vi-corporate/…s/original./Norway.png (5.1 minutes)
https://www.viessmann.be/content/dam/vi-corporate/…ns/original./White.png (5.1 minutes)
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priority - 0Optimize images

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priority - 0Minify JavaScript

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Minifying https://www.viessmann.be/nl/tools/global_js_snippet_body.data.js could save 312B (15% reduction) after compression.

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 156B (36% reduction).

Compressing https://www.viessmann.be/nl.country-suggestion-box-info.json could save 156B (36% reduction).

viessmann.be Mobile Resource Breakdown

Total Resources100
Number of Hosts8
Static Resources90
JavaScript Resources11
CSS Resources3

viessmann.be mobile page usability

Last tested: 2019-10-11


Mobile Usability Good
99/100

viessmann.be 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="http://product…essmann.be/nl/" class="vi_stage_home_nav_link">De verwarming die bij u past</a> and 2 others are close to other tap targets.

The tap target <button id="buttonChangePage" class="change_page_button">Viessmann United States</button> is close to 2 other tap targets.

The tap target <button id="buttonStayOnPage" class="stay_on_page_button">Neen, ik wil g…bsite blijven.</button> is close to 2 other tap targets.

viessmann.be HTML validation

Errors

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Line: 20 Column: 3 - 65
"...TF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/> <m..."

Element “meta” is missing required attribute “content”.

Line: 50 Column: 5 - 37
"... <meta property="og:description"/> ..."

Element “img” is missing required attribute “src”.

Line: 2456 Column: 7 - 16
".../a> <img class="vi_js_responsive_image" data-resp-src='[{ &quot;mq&quot;: &quot;vi_asset_s&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png&quot; },{ &quot;mq&quot;: &quot;vi_asset_m&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png&quot; },{ &quot;mq&quot;: &quot;vi_asset_l&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png&quot; },{ &quot;mq&quot;: &quot;vi_asset_xl&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook-xl.png&quot; }]'/> <..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 2456 Column: 7 - 16
".../a> <img class="vi_js_responsive_image" data-resp-src='[{ &quot;mq&quot;: &quot;vi_asset_s&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png&quot; },{ &quot;mq&quot;: &quot;vi_asset_m&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png&quot; },{ &quot;mq&quot;: &quot;vi_asset_l&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png&quot; },{ &quot;mq&quot;: &quot;vi_asset_xl&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook-xl.png&quot; }]'/> <..." Line: 2619 Column: 9 - 147
"...> <img src="//www.viessmann.be/etc/clientlibs/viessmann/viessmann.base.app/resources/img/viessmann_logo_footer.png" width="100" height="22"/> ..."

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 22 Column: 3 - 106
"...e=1"/> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"/> ..."

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

Line: 1564 Column: 74 - 122
"... section"><section class="vi_col_3 vi_tile vi_tile_video "> <di..." Line: 1817 Column: 74 - 122
"... section"><section class="vi_col_3 vi_tile vi_tile_video "> <di..." Line: 1490 Column: 58 - 103
"... section"><section class="vi_tile_container vi_bg__gr5"> <di..." Line: 2577 Column: 3 - 42
"...ist --> <section class="vi_footer__social_list"> <..." Line: 2754 Column: 3 - 37
"...ction> <section class="vi_footer__bottom"> <..."

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viessmann.be 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.


viessmann.be 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.