VIESSMANN.IT Sistemi Innovativi di Riscaldamento e Climatizzazione

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

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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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


Desktop Speed Medium
79/100

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.

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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:

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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 6% of the final above-the-fold content could be rendered with the full HTML response.
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priority - 0Optimize images

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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).

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priority - 0Enable compression

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

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viessmann.it Desktop Resource Breakdown

Total Resources113
Number of Hosts19
Static Resources95
JavaScript Resources21
CSS Resources5

viessmann.it mobile page speed rank

Last tested: 2019-01-18


Mobile Speed Bad
56/100

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:

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

Optimize CSS Delivery of the following:

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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.

Only about 10% 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 - 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://www.googletagmanager.com/gtm.js?id=GTM-MG64H7R (15 minutes)
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)
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https://www.viessmann.it/content/dam/vi-brands/DE/…l./icon-heizung_de.png (5.9 days)
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priority - 5Optimize images

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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 614B (14% reduction).

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viessmann.it Mobile Resource Breakdown

Total Resources64
Number of Hosts14
Static Resources51
JavaScript Resources15
CSS Resources5

viessmann.it mobile page usability

Last tested: 2019-01-18


Mobile Usability Good
99/100

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.

The tap target <a href="https://www.fe…iews/viessmann">&quot;Il prodotto v…disponibile.&quot;</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.

Line: 18 Column: - 23
"... 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..."

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

Line: 49 Column: 5 - 37
"... <meta property="og:description"/> ..."

Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Line: 914 Column: 3 - 9
"...ction"> <style> ifram..."

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 921 Column: 2 - 84
"..._tile"> <iframe src="//active.photostream.it/?id=58ef40cd3132619c403a22f4" frameborder="0"></ifra..."

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

Line: 1611 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: 1651 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-twitter.png&quot; },{ &quot;mq&quot;: &quot;vi_asset_m&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png&quot; },{ &quot;mq&quot;: &quot;vi_asset_l&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png&quot; },{ &quot;mq&quot;: &quot;vi_asset_xl&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter-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: 1611 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: 1651 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-twitter.png&quot; },{ &quot;mq&quot;: &quot;vi_asset_m&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png&quot; },{ &quot;mq&quot;: &quot;vi_asset_l&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter.png&quot; },{ &quot;mq&quot;: &quot;vi_asset_xl&quot;, &quot;src&quot;: &quot;/etc/clientlibs/viessmann/viessmann.base.app/resources/img/icon-kachel-twitter-xl.png&quot; }]'/> <..." 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.

Line: 21 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: 416 Column: 9 - 44
"... <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.

Line: 5 Column: 23 - 42
"...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.