PREFA.AT PREFA Österreich | PREFA

prefa.at Website Information

Daily Unique Visits: 953

Daily Page Views: 1,906

Income Per Day: $6

Estimated Value: $1,440

This website is located in Austria and is using following IP address 217.196.153.181. See the complete list of popular websites hosted in Austria.

prefa.at is registered under .AT top-level domain. Please check other sites in .AT zone.

Website prefa.at is using the following name servers:

  • ns21.netronics.at
  • ns22.netronics.at
  • ns23.netronics.at

and is probably hosted by 23media GmbH. See the full list of other websites hosted by 23media GmbH.

The highest website prefa.at position in Alexa rank database was 16357 and the lowest rank position was 998146. Current position of prefa.at in Alexa rank database is 752272.

Desktop speed score of prefa.at (64/100) is better than the results of 41.34% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of prefa.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 prefa.at (58/100) is better than the results of 50.23% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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prefa.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.


prefa.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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prefa.at server information

Servers Location

prefa.at desktop page speed rank

Last tested: 2017-06-03


Desktop Speed Bad
64/100

prefa.at Desktop Speed Test Quick Summary


priority - 41Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 404.1KiB (33% reduction).

Compressing http://www.prefa.at/fileadmin/_processed_/6/c/csm_…eHuette_1180147020.jpg could save 90.7KiB (28% reduction).
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priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.prefa.at/typo3temp/compressor/merged-ea…34b6741a.js?1447941889
http://www.prefa.at/typo3temp/compressor/merged-89…ba369f9d.js?1470398106
http://www.prefa.at/typo3temp/compressor/merged-dc…3756a6bc.js?1496148374
http://www.prefa.at/typo3temp/compressor/merged-9b…d9d5fa5d.js?1451482075

Optimize CSS Delivery of the following:

http://www.prefa.at/typo3temp/compressor/merged-61…30171d4.css?1496148430

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 36% of the final above-the-fold content could be rendered with the full HTML response.

priority - 1Minify 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 14.3KiB (14% reduction).

Minifying http://www.prefa.at/typo3temp/compressor/merged-dc…3756a6bc.js?1496148374 could save 14.3KiB (14% reduction) after compression.

priority - 1Leverage 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/1420082921624524?v=2.7.12 (20 minutes)
http://www.google-analytics.com/ga.js (2 hours)

priority - 0Reduce server response time

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 4.2KiB (30% reduction).

Minifying http://www.prefa.at/ could save 4.2KiB (30% reduction) after compression.

prefa.at Desktop Resource Breakdown

Total Resources43
Number of Hosts8
Static Resources35
JavaScript Resources9
CSS Resources1

prefa.at mobile page speed rank

Last tested: 2017-05-19


Mobile Speed Bad
58/100

prefa.at Mobile Speed Test Quick Summary


priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.prefa.at/typo3temp/compressor/merged-ea…34b6741a.js?1447941889
http://www.prefa.at/typo3temp/compressor/merged-89…ba369f9d.js?1470398106
http://www.prefa.at/typo3temp/compressor/merged-fa…f7101b38.js?1495198220
http://www.prefa.at/typo3temp/compressor/merged-9b…d9d5fa5d.js?1451482075

Optimize CSS Delivery of the following:

http://www.prefa.at/typo3temp/compressor/merged-96…d242877.css?1495095210

priority - 24Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 234.8KiB (30% reduction).

Compressing http://www.prefa.at/fileadmin/_processed_/a/7/csm_…piel_AT_1e89cab39a.jpg could save 62.5KiB (25% reduction).
Compressing http://www.prefa.at/fileadmin/_processed_/f/b/csm_…600x800_ff6a8e5022.jpg could save 58.7KiB (34% reduction).
Compressing http://www.prefa.at/fileadmin/user_upload/PREFA_Ko…e_bestellen_Teaser.jpg could save 31.6KiB (65% reduction).
Compressing http://www.prefa.at/fileadmin/_processed_/csm_2.Sp…galerie_b491a78bd8.jpg could save 24.6KiB (32% reduction).
Compressing http://www.prefa.at/fileadmin/_processed_/a/c/csm_…sserung_8c8c1f4a16.jpg could save 19.1KiB (24% reduction).
Compressing http://www.prefa.at/fileadmin/_processed_/csm_2.Sp…service_a9bc250b22.jpg could save 14.3KiB (31% reduction).
Compressing http://www.prefa.at/fileadmin/_processed_/csm_1sp_…ersuche_cf17273d61.jpg could save 11.5KiB (31% reduction).
Compressing http://www.prefa.at/fileadmin/_processed_/e/d/csm_…600x500_8e98c45637.jpg could save 7KiB (18% reduction).
Compressing http://www.prefa.at/fileadmin/_processed_/d/f/csm_…nsystem_893e8abdf1.png could save 5.5KiB (14% reduction).

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 1% of the final above-the-fold content could be rendered with the full HTML response.

priority - 2Leverage 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/1420082921624524?v=2.7.9 (20 minutes)
http://www.google-analytics.com/ga.js (2 hours)

priority - 2Minify 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 14.9KiB (14% reduction).

Minifying http://www.prefa.at/typo3temp/compressor/merged-fa…f7101b38.js?1495198220 could save 14.3KiB (14% reduction) after compression.
Minifying https://connect.facebook.net/signals/config/1420082921624524?v=2.7.9 could save 633B (79% reduction) after compression.

priority - 1Reduce server response time

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 4.2KiB (31% reduction).

Minifying http://www.prefa.at/ could save 4.2KiB (31% reduction) after compression.

prefa.at Mobile Resource Breakdown

Total Resources38
Number of Hosts8
Static Resources31
JavaScript Resources9
CSS Resources1

prefa.at mobile page usability

Last tested: 2017-05-19


Mobile Usability Good
100/100

prefa.at HTML validation

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 6 Column: 182 - 307
"...PO3 CMS"> <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"> <meta..."

The “type” attribute is unnecessary for JavaScript resources.

Line: 6 Column: 1431 - 1576
"...ia="all"> <script src="/typo3temp/compressor/merged-eafe1024d824fd22095a7bda44b86f72-52c2d6cfd67e35e267e98e946bb3e1ec.js?1509618570" type="text/javascript"></scri..." Line: 6 Column: 1586 - 1731
"...></script><script src="/typo3temp/compressor/merged-08b3fdfee167c133ee15bc3482416370-99c14b0451802de423b5378f4ea63d59.js?1537275170" type="text/javascript"></scri..." Line: 6 Column: 1741 - 1771
"...></script><script type="text/javascript"> /*<![..." Line: 24 Column: 89287 - 89432
"...pan> </a> <script src="/typo3temp/compressor/merged-b3b82d08c7c198e6c1435fdd7c9aced8-f1b5aa050b3e375f1d83077a1763540a.js?1568290639" type="text/javascript"></scri..." Line: 24 Column: 89442 - 89587
"...></script><script src="/typo3temp/compressor/merged-69cf25306a1f0a813366f4ad95b15a4a-a5a46cfd28ae51aa0ec40df3cff70c79.js?1559047607" type="text/javascript"></scri..."

The first occurrence of ID “” was here.

Line: 24 Column: 72802 - 72850
"...ern. </p> <a href="/referenzobjekte/" class="button" id="">ZUR GA..." Line: 24 Column: 72802 - 72850
"...ern. </p> <a href="/referenzobjekte/" class="button" id="">ZUR GA..." Line: 24 Column: 72802 - 72850
"...ern. </p> <a href="/referenzobjekte/" class="button" id="">ZUR GA..." Line: 24 Column: 72802 - 72850
"...ern. </p> <a href="/referenzobjekte/" class="button" id="">ZUR GA..." Line: 24 Column: 72802 - 72850
"...ern. </p> <a href="/referenzobjekte/" class="button" id="">ZUR GA..." Line: 24 Column: 72802 - 72850
"...ern. </p> <a href="/referenzobjekte/" class="button" id="">ZUR GA..." Line: 24 Column: 72802 - 72850
"...ern. </p> <a href="/referenzobjekte/" class="button" id="">ZUR GA..." Line: 24 Column: 72802 - 72850
"...ern. </p> <a href="/referenzobjekte/" class="button" id="">ZUR GA..." Line: 24 Column: 72802 - 72850
"...ern. </p> <a href="/referenzobjekte/" class="button" id="">ZUR GA..." Line: 24 Column: 72802 - 72850
"...ern. </p> <a href="/referenzobjekte/" class="button" id="">ZUR GA..."

Errors

Bad value “cz-cz” for attribute “hreflang” on element “link”: The language subtag “cz” is not a valid ISO language part of a language tag.

Line: 12 Column: 2350 - 2419
"...sed.png"> <link rel="alternate" hreflang="cz-cz" href="https://cz.prefa.com/" /> <link..."

Bad value “dk-dk” for attribute “hreflang” on element “link”: The language subtag “dk” is not a valid ISO language part of a language tag.

Line: 12 Column: 2776 - 2845
"...a.nl/" /> <link rel="alternate" hreflang="dk-dk" href="https://www.prefa.dk/" /> <link..."

Bad start tag in “img” in “head”.

Line: 20 Column: 20 - 146
"...<noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=1420082921624524&ev=PageView&noscript=1"/></noscri..."

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

Line: 20 Column: 20 - 146
"...<noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=1420082921624524&ev=PageView&noscript=1"/></noscri..."

Stray end tag “noscript”.

Line: 20 Column: 147 - 157
"...ipt=1"/></noscript> <!-- DO..."

Stray end tag “head”.

Line: 24 Column: 96 - 102
"...anager --></head> <body..."

Start tag “body” seen but an element of the same type was already open.

Line: 24 Column: 104 - 109
"...-></head> <body> <!-- ..."

No space between attributes.

Line: 24 Column: - 228
"...id=GTM-539VR2W"height="0" widt..."

Bad value “” for attribute “id” on element “a”: An ID must not be the empty string.

Line: 24 Column: 72802 - 72850
"...ern. </p> <a href="/referenzobjekte/" class="button" id="">ZUR GA..." Line: 24 Column: 73617 - 73704
"...eren.</p> <a href="/bautipps/hochwertige-dacheindeckung-fuer-jede-dachform/" class="button" id="">MEHR E..." Line: 24 Column: 74507 - 74555
"...rung!</p> <a href="/produkt-katalog/" class="button" id="">SORTIM..." Line: 24 Column: 75721 - 75789
"...haft.</p> <a href="/familienunternehmen-prefa/ueber-uns/" class="button" id="">MEHR E..." Line: 24 Column: 76655 - 76719
"...bst. </p> <a href="/10-gute-gruende/" target="_blank" class="button" id="">GRÜNDE..." Line: 24 Column: 77762 - 77828
"...lich.</p> <a href="/produkt-katalog/dachentwaesserung/" class="button" id="">MEHR I..." Line: 24 Column: 78718 - 78806
"...ment!</p> <a href="/bauherren-sanierer/service/garantiezertifikat-anfordern/" class="button" id="">INFOS ..." Line: 24 Column: 79701 - 79766
"...hutz.</p> <a href="/produkt-katalog/hochwasserschutz/" class="button" id="">MEHR E..." Line: 24 Column: 82084 - 82201
"...eht. </p> <a href="/bauherren-sanierer/service/fotoservice-ihr-haus-im-prefa-look/kostenlose-fotomontage/" class="button" id="">ZUM FO..." Line: 24 Column: 83035 - 83097
"...nbsp;</p> <a href="/kostenlos-prospekte-bestellen/" class="button" id="">GRATIS..." Line: 24 Column: 83811 - 83862
"...REFA.</p> <a href="/erfahrungsberichte/" class="button" id="">JETZT ..."

Duplicate ID “”.

Line: 24 Column: 73617 - 73704
"...eren.</p> <a href="/bautipps/hochwertige-dacheindeckung-fuer-jede-dachform/" class="button" id="">MEHR E..." Line: 24 Column: 74507 - 74555
"...rung!</p> <a href="/produkt-katalog/" class="button" id="">SORTIM..." Line: 24 Column: 75721 - 75789
"...haft.</p> <a href="/familienunternehmen-prefa/ueber-uns/" class="button" id="">MEHR E..." Line: 24 Column: 76655 - 76719
"...bst. </p> <a href="/10-gute-gruende/" target="_blank" class="button" id="">GRÜNDE..." Line: 24 Column: 77762 - 77828
"...lich.</p> <a href="/produkt-katalog/dachentwaesserung/" class="button" id="">MEHR I..." Line: 24 Column: 78718 - 78806
"...ment!</p> <a href="/bauherren-sanierer/service/garantiezertifikat-anfordern/" class="button" id="">INFOS ..." Line: 24 Column: 79701 - 79766
"...hutz.</p> <a href="/produkt-katalog/hochwasserschutz/" class="button" id="">MEHR E..." Line: 24 Column: 82084 - 82201
"...eht. </p> <a href="/bauherren-sanierer/service/fotoservice-ihr-haus-im-prefa-look/kostenlose-fotomontage/" class="button" id="">ZUM FO..." Line: 24 Column: 83035 - 83097
"...nbsp;</p> <a href="/kostenlos-prospekte-bestellen/" class="button" id="">GRATIS..." Line: 24 Column: 83811 - 83862
"...REFA.</p> <a href="/erfahrungsberichte/" class="button" id="">JETZT ..."

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prefa.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.


prefa.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.