viessmann.at Website Information
Daily Unique Visits: 1,044
Daily Page Views: 2,088
Income Per Day: $6
Estimated Value: $1,440
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.at is registered under .AT top-level domain. Please check other sites in .AT zone.
Website viessmann.at is using the following name servers:
- auth04.ns.de.uu.net
- auth54.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.at position in Alexa rank database was 40325 and the lowest rank position was 984988. Current position of viessmann.at in Alexa rank database is 686704.
Desktop speed score of viessmann.at (73/100) is better than the results of 56.16% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of viessmann.at (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.
Mobile speed score of viessmann.at (66/100) is better than the results of 68.49% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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viessmann.at 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.at 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.
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% transmitted, in any form or by any means, electronic, mechanical,
% recording, or otherwise, without prior permission of NIC.AT on behalf
% of itself and/or the copyright holders. Any use of this material to
% target advertising or similar activities is explicitly forbidden and
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% It is furthermore strictly forbidden to use the Whois-Database in such
% a way that jeopardizes or could jeopardize the stability of the
% technical systems of NIC.AT under any circumstances. In particular,
% this includes any misuse of the Whois-Database and any use of the
% Whois-Database which disturbs its operation.
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% Should the user violate these points, NIC.AT reserves the right to
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% Moreover, the user shall be held liable for any and all damage
% arising from a violation of these points.
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% Restricted rights.
%
% Except for agreed Internet operational purposes, no part of this
% information may be reproduced, stored in a retrieval system, or
% transmitted, in any form or by any means, electronic, mechanical,
% recording, or otherwise, without prior permission of NIC.AT on behalf
% of itself and/or the copyright holders. Any use of this material to
% target advertising or similar activities is explicitly forbidden and
% can be prosecuted.
%
% It is furthermore strictly forbidden to use the Whois-Database in such
% a way that jeopardizes or could jeopardize the stability of the
% technical systems of NIC.AT under any circumstances. In particular,
% this includes any misuse of the Whois-Database and any use of the
% Whois-Database which disturbs its operation.
%
% Should the user violate these points, NIC.AT reserves the right to
% deactivate the Whois-Database entirely or partly for the user.
% Moreover, the user shall be held liable for any and all damage
% arising from a violation of these points.
% Quota exceeded
viessmann.at server information
Servers Location
viessmann.at desktop page speed rank
Last tested: 2019-07-05
Desktop Speed
Medium
73/100
viessmann.at Desktop Speed Test Quick Summary
priority - 18Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 6 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://www.viessmann.at/de/tools/global_js_snippet_head.data.js
http://www.viessmann.at/etc/clientlibs/viessmann/v…e.lib.modernizr.min.js
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.lib.min.js
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app.min.js
http://www.viessmann.at/de/tools/global_js_snippet_body.data.js
http://stats.viessmann.com/dcshl2z5v10000gwfaho0ydhx_6u2l/wtid.js
http://www.viessmann.at/etc/clientlibs/viessmann/v…e.lib.modernizr.min.js
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.lib.min.js
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app.min.js
http://www.viessmann.at/de/tools/global_js_snippet_body.data.js
http://stats.viessmann.com/dcshl2z5v10000gwfaho0ydhx_6u2l/wtid.js
Optimize CSS Delivery of the following:
http://www.viessmann.at/etc/clientlibs/viessmann/v…se.fonts.latin.min.css
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app.min.css
http://fast.fonts.net/t/1.css?apiType=css&projecti…43ac-b8c5-2c4809e5a450
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app.min.css
http://fast.fonts.net/t/1.css?apiType=css&projecti…43ac-b8c5-2c4809e5a450
priority - 13Optimize images
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Optimize the following images to reduce their size by 128.6KiB (3% reduction).
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Losslessly compressing http://www.viessmann.at/content/dam/vi-brands/DE/K…ech-online-magazin.jpg could save 903B (4% reduction).
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priority - 3Leverage 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:
http://www.viessmann.at/de/tools/global_js_snippet_body.data.js (24 hours)
http://www.viessmann.at/de/tools/global_js_snippet_head.data.js (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app.min.css (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app.min.js (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/v…se.fonts.latin.min.css (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.lib.min.js (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/v…e.lib.modernizr.min.js (24 hours)
http://www.viessmann.at/de/tools/global_js_snippet_head.data.js (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app.min.css (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app.min.js (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/v…se.fonts.latin.min.css (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.lib.min.js (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/v…e.lib.modernizr.min.js (24 hours)
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 17% of the final above-the-fold content could be rendered with the full HTML response.
priority - 0Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 3.4KiB (3% reduction).
Minifying http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.lib.min.js could save 2.5KiB (3% reduction) after compression.
Minifying http://www.viessmann.at/de/tools/global_js_snippet_body.data.js could save 935B (14% reduction) after compression.
Minifying http://www.viessmann.at/de/tools/global_js_snippet_body.data.js could save 935B (14% reduction) after compression.
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 1.2KiB (8% reduction).
Minifying http://www.viessmann.at/ could save 1.2KiB (8% reduction) after compression.
viessmann.at Desktop Resource Breakdown
| Total Resources | 64 |
| Number of Hosts | 4 |
| Static Resources | 55 |
| JavaScript Resources | 7 |
| CSS Resources | 3 |
viessmann.at mobile page speed rank
Last tested: 2019-10-12
Mobile Speed
Medium
66/100
viessmann.at Mobile Speed Test Quick Summary
priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://www.viessmann.at/de/tools/global_js_snippet_head.data.js
http://www.viessmann.at/etc/clientlibs/viessmann/v…e.lib.modernizr.min.js
http://www.viessmann.at/etc/clientlibs/viessmann/v…e.lib.modernizr.min.js
Optimize CSS Delivery of the following:
http://www.viessmann.at/etc/clientlibs/viessmann/v…se.fonts.latin.min.css
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app.min.css
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app.min.css
priority - 6Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 62.7KiB (3% reduction).
Losslessly compressing http://www.viessmann.at/content/dam/vi-brands/Glob…ffensive_312x350_f.jpg could save 30.3KiB (38% reduction).
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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:
http://www.viessmann.at/de/tools/global_js_snippet_body.data.js (24 hours)
http://www.viessmann.at/de/tools/global_js_snippet_head.data.js (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app.min.css (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app.min.js (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/v…se.fonts.latin.min.css (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.lib.min.js (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/v…e.lib.modernizr.min.js (24 hours)
http://www.viessmann.at/de/tools/global_js_snippet_head.data.js (24 hours)
http://www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app.min.css (24 hours)
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priority - 0Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 3.4KiB (3% 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 1.2KiB (8% reduction).
Minifying http://www.viessmann.at/ could save 1.2KiB (8% reduction) after compression.
viessmann.at Mobile Resource Breakdown
| Total Resources | 58 |
| Number of Hosts | 4 |
| Static Resources | 49 |
| JavaScript Resources | 7 |
| CSS Resources | 3 |
viessmann.at mobile page usability
Last tested: 2019-10-12
Mobile Usability
Good
100/100
viessmann.at HTML validation
Errors
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Line: 18 Column: - 23
"... charset="UTF-8"/> <meta htt..."
"... charset="UTF-8"/> <meta htt..."
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: 19 Column: 3 - 65
"...TF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/> <m..."
"...TF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/> <m..."
Element “meta” is missing required attribute “content”.
Line: 49 Column: 5 - 37
"... <meta property="og:description"/> ..."
"... <meta property="og:description"/> ..."
The “font” element is obsolete. Use CSS instead.
Line: 1920 Column: 3 - 30
"..._1"> <font size=1 color="#FFFFF"> .</fo..."
"..._1"> <font size=1 color="#FFFFF"> .</fo..."
Element “img” is missing required attribute “src”.
Line: 2699 Column: 7 - 16
".../a> <img class="vi_js_responsive_image" data-resp-src='[{ "mq": "vi_asset_s", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png" },{ "mq": "vi_asset_m", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png" },{ "mq": "vi_asset_l", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png" },{ "mq": "vi_asset_xl", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook-xl.png" }]'/> <..." Line: 2739 Column: 7 - 16
".../a> <img class="vi_js_responsive_image" data-resp-src='[{ "mq": "vi_asset_s", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png" },{ "mq": "vi_asset_m", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png" },{ "mq": "vi_asset_l", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png" },{ "mq": "vi_asset_xl", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter-xl.png" }]'/> <..."
".../a> <img class="vi_js_responsive_image" data-resp-src='[{ "mq": "vi_asset_s", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png" },{ "mq": "vi_asset_m", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png" },{ "mq": "vi_asset_l", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png" },{ "mq": "vi_asset_xl", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook-xl.png" }]'/> <..." Line: 2739 Column: 7 - 16
".../a> <img class="vi_js_responsive_image" data-resp-src='[{ "mq": "vi_asset_s", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png" },{ "mq": "vi_asset_m", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png" },{ "mq": "vi_asset_l", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png" },{ "mq": "vi_asset_xl", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter-xl.png" }]'/> <..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 2699 Column: 7 - 16
".../a> <img class="vi_js_responsive_image" data-resp-src='[{ "mq": "vi_asset_s", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png" },{ "mq": "vi_asset_m", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png" },{ "mq": "vi_asset_l", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png" },{ "mq": "vi_asset_xl", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook-xl.png" }]'/> <..." Line: 2739 Column: 7 - 16
".../a> <img class="vi_js_responsive_image" data-resp-src='[{ "mq": "vi_asset_s", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png" },{ "mq": "vi_asset_m", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png" },{ "mq": "vi_asset_l", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png" },{ "mq": "vi_asset_xl", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter-xl.png" }]'/> <..." Line: 2982 Column: 9 - 147
"...> <img src="//www.viessmann.at/etc/clientlibs/viessmann/viessmann.base.app/resources/img/viessmann_logo_footer.png" width="100" height="22"/> ..."
".../a> <img class="vi_js_responsive_image" data-resp-src='[{ "mq": "vi_asset_s", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png" },{ "mq": "vi_asset_m", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png" },{ "mq": "vi_asset_l", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook.png" },{ "mq": "vi_asset_xl", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-facebook-xl.png" }]'/> <..." Line: 2739 Column: 7 - 16
".../a> <img class="vi_js_responsive_image" data-resp-src='[{ "mq": "vi_asset_s", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png" },{ "mq": "vi_asset_m", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png" },{ "mq": "vi_asset_l", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png" },{ "mq": "vi_asset_xl", "src": "/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter-xl.png" }]'/> <..." Line: 2982 Column: 9 - 147
"...> <img src="//www.viessmann.at/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: 21 Column: 3 - 106
"...e=1"/> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"/> ..."
"...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: 1889 Column: 58 - 103
"... section"><section class="vi_tile_container vi_bg__gr5"> <di..." Line: 2910 Column: 3 - 42
"...ist --> <section class="vi_footer__social_list"> <..." Line: 3160 Column: 3 - 37
"...ction> <section class="vi_footer__bottom"> <..."
"... section"><section class="vi_tile_container vi_bg__gr5"> <di..." Line: 2910 Column: 3 - 42
"...ist --> <section class="vi_footer__social_list"> <..." Line: 3160 Column: 3 - 37
"...ction> <section class="vi_footer__bottom"> <..."
This document appears to be written in German. Consider adding “lang="de"” (or variant) to the “html” start tag.
Line: 5 Column: 23 - 42
"...E 8]><!--><html class="no-js"><!--<!..."
"...E 8]><!--><html class="no-js"><!--<!..."
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viessmann.at 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.at 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.