viessmann.it Website Information
Daily Unique Visits: 1,332
Daily Page Views: 2,664
Income Per Day: $8
Estimated Value: $1,920
viessmann.it is registered under .IT top-level domain. Please check other sites in .IT zone.
No name server records were found.
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.it position in Alexa rank database was 5801 and the lowest rank position was 994994. Current position of viessmann.it in Alexa rank database is 538362.
Desktop speed score of viessmann.it (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 viessmann.it (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.it (56/100) is better than the results of 45.93% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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viessmann.it 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.it whois
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Domain: viessmann.it
Status: ok
Signed: no
Created: 1999-02-22 00:00:00
Last Update: 2021-01-18 00:50:54
Expire Date: 2022-01-02
Registrant
Organization: Viessmann Srl
Address: Via Brennero, 56
Pescantina
37026
VR
IT
Created: 2007-03-01 10:42:43
Last Update: 2011-07-20 14:46:18
Admin Contact
Name: Agter Siebrand
Address: Via Brennero, 56
Pescantina
37026
VR
IT
Created: 2001-02-22 00:00:00
Last Update: 2011-07-20 14:46:19
Technical Contacts
Name: Agter Siebrand
Address: Via Brennero, 56
Pescantina
37026
VR
IT
Created: 2001-02-22 00:00:00
Last Update: 2011-07-20 14:46:19
Name: Domain Contact
Organization: Verizon Deutschland GmbH
Address: Sebrathweg 20
Dortmund
44149
DE
DE
Created: 2005-07-27 00:00:00
Last Update: 2014-01-08 15:56:27
Registrar
Organization: Verizon Deutschland GmbH
Name: VERIZON-REG
Web: https://dnr.emea.verizon.com/uk
DNSSEC: no
Nameservers
auth04.ns.de.uu.net
auth54.ns.de.uu.net
viessmann.it server information
Servers Location
viessmann.it desktop page speed rank
Last tested: 2019-08-21
viessmann.it 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 5 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
Optimize CSS Delivery of the following:
https://www.viessmann.it/etc/clientlibs/viessmann/…10758916352-lc.min.css
https://fonts.googleapis.com/css?family=Roboto
https://widget.zoorate.com/go.php?function=feed_v5…amic&variant=blue&id=1
https://fast.fonts.net/t/1.css?apiType=css&project…43ac-b8c5-2c4809e5a450
priority - 6Leverage 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://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/154754…43600?v=2.9.4&r=stable (20 minutes)
https://connect.facebook.net/signals/plugins/identity.js?v=2.9.4 (20 minutes)
https://connect.facebook.net/signals/plugins/inferredEvents.js?v=2.9.4 (20 minutes)
https://rules.quantcount.com/rules-p-jKZg3_LfwgTKP.js (60 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://widget.zoorate.com/go.php?function=feed_v5…amic&variant=blue&id=1 (2 hours)
https://widget.zoorate.com/go.php?function=feed_v5…abe10a98&id=1&sku=null (2 hours)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.viessmann.it/it.country-suggestion-box-info.json (6 hours)
https://www.viessmann.it/content/dam/vi-brands/IT/…e_italia_viessamnn.jpg (23.9 hours)
https://www.viessmann.it/content/dam/vi-brands/DE/…l./icon-heizung_de.png (2.5 days)
https://www.viessmann.it/content/dam/vi-brands/DE/…al./viessmann-logo.png (3.5 days)
https://www.viessmann.it/content/dam/vi-brands/Glo…ffensive_312x350_f.jpg (3.7 days)
https://www.viessmann.it/content/dam/vi-brands/DE/…icon-gewerbe-white.png (6.4 days)
https://www.viessmann.it/content/dam/vi-brands/DE/…con-kommunen-white.png (6.5 days)
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.
priority - 0Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 2.6KiB (23% reduction).
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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 1.4KiB (25% reduction).
Minifying https://widget.zoorate.com/js/dynamic_v1.js could save 429B (17% reduction) after compression.
Minifying https://www.viessmann.it/it/tools/global_js_snippet_body.data.js could save 332B (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 158B (37% reduction).
viessmann.it Desktop Resource Breakdown
Total Resources | 113 |
Number of Hosts | 19 |
Static Resources | 95 |
JavaScript Resources | 21 |
CSS Resources | 5 |
viessmann.it mobile page speed rank
Last tested: 2019-01-18
viessmann.it 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 5 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
Optimize CSS Delivery of the following:
https://www.viessmann.it/etc/clientlibs/viessmann/…10758916352-lc.min.css
https://fast.fonts.net/t/1.css?apiType=css&project…43ac-b8c5-2c4809e5a450
https://fonts.googleapis.com/css?family=Roboto
https://widget.zoorate.com/go.php?function=feed_v5…amic&variant=blue&id=1
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.
priority - 6Leverage 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://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/154754…3600?v=2.8.37&r=stable (20 minutes)
https://connect.facebook.net/signals/plugins/identity.js?v=2.8.37 (20 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.viessmann.it/content/dam/vi-brands/DE/…on-industrie-white.png (47.8 hours)
https://www.viessmann.it/content/dam/vi-brands/IT/…a_viessmann_%20(1).png (3.1 days)
https://www.viessmann.it/content/dam/vi-brands/IT/…age1Col_Detrazioni.jpg (4.9 days)
https://www.viessmann.it/content/dam/vi-corporate/…ns/original./blank.png (5.3 days)
https://www.viessmann.it/content/dam/vi-brands/IT/…50%20TileImage1Col.jpg (5.7 days)
https://www.viessmann.it/content/dam/vi-brands/IT/…ssmann_industriale.png (5.7 days)
https://www.viessmann.it/content/dam/vi-brands/DE/…l./icon-heizung_de.png (5.9 days)
https://www.viessmann.it/content/dam/vi-brands/IT/…smann_residenziale.png (6.7 days)
https://www.viessmann.it/content/dam/vi-brands/DE/…iginal./icon-login.png (6.7 days)
https://www.viessmann.it/content/dam/vi-brands/IT/…a_freddo_viessmann.png (6.8 days)
https://www.viessmann.it/content/dam/vi-brands/IT/…nni_viessmann_2018.jpg (6.9 days)
priority - 5Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 51.3KiB (41% reduction).
Compressing https://www.viessmann.it/static/IT/feedaty-logo.png could save 3.2KiB (11% reduction).
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Compressing https://www.feedaty.com/rating/ratev2-widget-4.png could save 226B (14% reduction).
Compressing https://www.feedaty.com/rating/ratev2-widget-5.png could save 171B (16% reduction).
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 614B (14% reduction).
Minifying https://widget.zoorate.com/js/dynamic_v1.js could save 285B (13% reduction) after compression.
viessmann.it Mobile Resource Breakdown
Total Resources | 64 |
Number of Hosts | 14 |
Static Resources | 51 |
JavaScript Resources | 15 |
CSS Resources | 5 |
viessmann.it mobile page usability
Last tested: 2019-01-18
viessmann.it 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.
<a href="https://www.fe…iews/viessmann">"Il prodotto v…disponibile."</a>
is close to 1 other tap targets.viessmann.it HTML validation
Errors
A “charset” attribute on a “meta” element found after the first 1024 bytes.
"... 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”.
"...TF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/> <m..."
Element “meta” is missing required attribute “content”.
"... <meta property="og:description"/> ..."
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
"...ction"> <style> ifram..."
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
"..._tile"> <iframe src="//active.photostream.it/?id=58ef40cd3132619c403a22f4" frameborder="0"></ifra..."
Element “img” is missing required attribute “src”.
".../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: 1651 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.
".../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: 1651 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: 1876 Column: 9 - 147
"...> <img src="//www.viessmann.it/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.
"...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.
"... <section class="vi_gesc vi_js_gesc"> <di..." Line: 729 Column: 58 - 103
"... section"><section class="vi_tile_container vi_bg__gr5"> <di..." Line: 1824 Column: 3 - 42
"...ist --> <section class="vi_footer__social_list"> <..." Line: 2008 Column: 3 - 37
"...ction> <section class="vi_footer__bottom"> <..."
This document appears to be written in Italian. Consider adding “lang="it"” (or variant) to the “html” start tag.
"...E 8]><!--><html class="no-js"><!--<!..."
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viessmann.it 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.it 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.