viessmann.co.uk Website Information
Daily Unique Visits: 9,111
Daily Page Views: 45,555
Income Per Day: $114
Estimated Value: $68,400
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.co.uk is registered under .UK top-level domain. Please check other sites in .UK zone.
Website viessmann.co.uk 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.co.uk position in Alexa rank database was 18488 and the lowest rank position was 997732. Current position of viessmann.co.uk in Alexa rank database is 149542.
Desktop speed score of viessmann.co.uk (72/100) is better than the results of 54.39% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of viessmann.co.uk (93/100) is better than the results of 34.93% of other sites and means that the page is mobile-friendly.
Mobile speed score of viessmann.co.uk (70/100) is better than the results of 76.43% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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viessmann.co.uk 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.co.uk 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 name:
viessmann.co.uk
Data validation:
Nominet was able to match the registrant's name and address against a 3rd party data source on 07-Dec-2016
Registrar:
Verizon Deutschland GMBH [Tag = VERIZON-DE]
URL: http://dnr.emea.verizonbusiness.com/uk
Relevant dates:
Registered on: 21-Sep-1999
Expiry date: 21-Sep-2023
Last updated: 14-Sep-2021
Registration status:
Registered until expiry date.
Name servers:
auth04.ns.de.uu.net
auth54.ns.de.uu.net
WHOIS lookup made at 09:39:10 16-Dec-2021
--
This WHOIS information is provided for free by Nominet UK the central registry
for .uk domain names. This information and the .uk WHOIS are:
Copyright Nominet UK 1996 - 2021.
You may not access the .uk WHOIS or use any data from it except as permitted
by the terms of use available in full at https://www.nominet.uk/whoisterms,
which includes restrictions on: (A) use of the data for advertising, or its
repackaging, recompilation, redistribution or reuse (B) obscuring, removing
or hiding any or all of this notice and (C) exceeding query rate or volume
limits. The data is provided on an 'as-is' basis and may lag behind the
register. Access may be withdrawn or restricted at any time.
viessmann.co.uk
Data validation:
Nominet was able to match the registrant's name and address against a 3rd party data source on 07-Dec-2016
Registrar:
Verizon Deutschland GMBH [Tag = VERIZON-DE]
URL: http://dnr.emea.verizonbusiness.com/uk
Relevant dates:
Registered on: 21-Sep-1999
Expiry date: 21-Sep-2023
Last updated: 14-Sep-2021
Registration status:
Registered until expiry date.
Name servers:
auth04.ns.de.uu.net
auth54.ns.de.uu.net
WHOIS lookup made at 09:39:10 16-Dec-2021
--
This WHOIS information is provided for free by Nominet UK the central registry
for .uk domain names. This information and the .uk WHOIS are:
Copyright Nominet UK 1996 - 2021.
You may not access the .uk WHOIS or use any data from it except as permitted
by the terms of use available in full at https://www.nominet.uk/whoisterms,
which includes restrictions on: (A) use of the data for advertising, or its
repackaging, recompilation, redistribution or reuse (B) obscuring, removing
or hiding any or all of this notice and (C) exceeding query rate or volume
limits. The data is provided on an 'as-is' basis and may lag behind the
register. Access may be withdrawn or restricted at any time.
viessmann.co.uk server information
Servers Location
viessmann.co.uk desktop page speed rank
Last tested: 2015-09-30
Desktop Speed
Medium
72/100
viessmann.co.uk Desktop Speed Test Quick Summary
priority - 15Leverage browser caching
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http://www.viessmann.co.uk/js/livevalidation_standalone.js (60 minutes)
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http://www.google-analytics.com/analytics.js (2 hours)
priority - 11Optimize images
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priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking CSS resources. This causes a delay in rendering your page.
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priority - 2Minify JavaScript
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priority - 1Minify CSS
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priority - 0Minify HTML
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Minify HTML for the following resources to reduce their size by 933B (16% reduction).
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viessmann.co.uk Desktop Resource Breakdown
| Total Resources | 79 |
| Number of Hosts | 7 |
| Static Resources | 65 |
| JavaScript Resources | 19 |
| CSS Resources | 12 |
viessmann.co.uk mobile page speed rank
Last tested: 2019-07-05
Mobile Speed
Medium
70/100
viessmann.co.uk Mobile Speed Test Quick Summary
priority - 24Eliminate 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://www.viessmann.co.uk/globalHeadScripts.js
Optimize CSS Delivery of the following:
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priority - 9Leverage 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:
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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.
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Only about 9% 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
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priority - 0Minify HTML
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priority - 0Minify JavaScript
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priority - 0Minify CSS
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viessmann.co.uk Mobile Resource Breakdown
| Total Resources | 105 |
| Number of Hosts | 26 |
| Static Resources | 78 |
| JavaScript Resources | 31 |
| CSS Resources | 3 |
viessmann.co.uk mobile page usability
Last tested: 2019-07-05
Mobile Usability
Good
93/100
viessmann.co.uk Mobile Usability Test Quick Summary
priority - 6Size 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
<button class="btn btn-primar…e ml-md-3 mb-0">Go</button> is close to 1 other tap targets.The tap target
<div></div> is close to 1 other tap targets.The tap target
<div></div> and 1 others are close to other tap targets.The tap target
<a href="/?_r=no" class="visible-mobile navbar-brand"></a> is close to 1 other tap targets.The tap target
<button type="submit"></button> is close to 1 other tap targets.The tap target
<li class="nav-item">Homeowners</li> is close to 2 other tap targets.The tap target
<a href="/heating-advic…tion-questions">Boiler install…tions answered</a> and 30 others are close to other tap targets.The tap target
<a href="/heating-advic…s-buying-guide">New boiler cos…g a new boiler</a> and 25 others are close to other tap targets.The tap target
<a href="/imprint" class="link-text">Company details</a> and 1 others are close to other tap targets.viessmann.co.uk 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"/> ..."
Element “img” is missing required attribute “src”.
Line: 2752 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: 2792 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: 2792 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: 2752 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: 2792 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: 2993 Column: 9 - 150
"...> <img src="//www.viessmann.co.uk/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: 2792 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: 2993 Column: 9 - 150
"...> <img src="//www.viessmann.co.uk/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: 1919 Column: 58 - 103
"... section"><section class="vi_tile_container vi_bg__gr5"> <di..." Line: 2961 Column: 3 - 42
"...ist --> <section class="vi_footer__social_list"> <..." Line: 3179 Column: 3 - 37
"...ction> <section class="vi_footer__bottom"> <..."
"... section"><section class="vi_tile_container vi_bg__gr5"> <di..." Line: 2961 Column: 3 - 42
"...ist --> <section class="vi_footer__social_list"> <..." Line: 3179 Column: 3 - 37
"...ction> <section class="vi_footer__bottom"> <..."
This document appears to be written in English. Consider adding “lang="en"” (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.co.uk 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.