arena-verlag.de Website Information

Daily Unique Visits: 3,296

Daily Page Views: 13,184

Income Per Day: $37

Estimated Value: $19,980

This website is located in Germany and is using following IP address 217.13.73.75. See the complete list of popular websites hosted in Germany.

arena-verlag.de is registered under .DE top-level domain. Please check other sites in .DE zone.

Website arena-verlag.de is using the following name servers:

ns2.pop-hannover.net
ns.westermann.de

and is probably hosted by Gaertner Datensysteme GmbH & Co. KG. See the full list of other websites hosted by Gaertner Datensysteme GmbH & Co. KG.

The highest website arena-verlag.de position in Alexa rank database was 34068 and the lowest rank position was 999669. Current position of arena-verlag.de in Alexa rank database is 380764.

Desktop speed score of arena-verlag.de (26/100) is better than the results of 6.47% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of arena-verlag.de (96/100) is better than the results of 46.59% of other sites and means that the page is mobile-friendly.

Mobile speed score of arena-verlag.de (29/100) is better than the results of 9.19% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

arena-verlag.de 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.

arena-verlag.de 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: arena-verlag.de
Status: connect

arena-verlag.de server information

Servers Location

arena-verlag.de desktop page speed rank

Last tested: 2019-01-04

Desktop Speed Bad

26/100

arena-verlag.de Desktop Speed Test Quick Summary

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priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 11Minify JavaScript

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priority - 4Enable compression

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priority - 4Reduce server response time

In our test, your server responded in 0.63 seconds.

priority - 1Leverage browser caching

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priority - 0Minify HTML

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arena-verlag.de Desktop Resource Breakdown

Total Resources	51
Number of Hosts	5
Static Resources	44
JavaScript Resources	10
CSS Resources	6

arena-verlag.de mobile page speed rank

Last tested: 2019-01-04

Mobile Speed Bad

29/100

arena-verlag.de Mobile Speed Test Quick Summary

priority - 177Optimize images

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priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 8 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.

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Optimize CSS Delivery of the following:

priority - 11Minify JavaScript

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priority - 7Reduce server response time

In our test, your server responded in 0.67 seconds.

priority - 4Enable compression

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Compressing https://track.westermann.de/piwik/piwik.js could save 42.2KiB (65% reduction).

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://track.westermann.de/piwik/piwik.js (expiration not specified)

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 144B (11% reduction).

Minifying https://www.arena-verlag.de/ajax/buchsuche/update could save 144B (11% reduction) after compression.

arena-verlag.de Mobile Resource Breakdown

Total Resources	49
Number of Hosts	5
Static Resources	43
JavaScript Resources	10
CSS Resources	6

arena-verlag.de mobile page usability

Last tested: 2019-01-04

Mobile Usability Good

96/100

arena-verlag.de Mobile Usability Test Quick Summary

priority - 3Size 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 <div class="burger-menu-sm…one-nav-toggle"></div> is close to 1 other tap targets.

The tap target <a href="/arena-verlag">Arena Verlag</a> and 26 others are close to other tap targets.

The tap target <a href="#block-views-f…arks-bookshelf"></a> is close to 1 other tap targets.

arena-verlag.de HTML validation

Errors

Legacy doctype. Expected “<!DOCTYPE html>”.

Line: 2 Column: 1 - 50
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd"> <html..."

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

Line: 3 Column: 51 - 428
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="de" version="XHTML+RDFa 1.0" dir="ltr" prefix="content: http://purl.org/rss/1.0/modules/content/ dc: http://purl.org/dc/terms/ foaf: http://xmlns.com/foaf/0.1/ og: http://ogp.me/ns# rdfs: http://www.w3.org/2000/01/rdf-schema# sioc: http://rdfs.org/sioc/ns# sioct: http://rdfs.org/sioc/types# skos: http://www.w3.org/2004/02/skos/core# xsd: http://www.w3.org/2001/XMLSchema#"> <hea..."

The “version” attribute on the “html” element is obsolete. You can safely omit it.

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

Line: 5 Column: 429 - 51
"...LSchema#"> <head profile="http://www.w3.org/1999/xhtml/vocab"> <me..."

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

Line: 122 Column: 157 - 176
"...con-cart"><p class="articles">0</p><..."

Attribute “#title” not allowed on element “input” at this point.

Line: 141 Column: 398 - 655
"...rm-group"><input #title="Ihre Suchanfrage z.B. Titel, Autor" placeholder="Ihre Suchanfrage z.B. Titel, Autor" class=" form-control form-text" type="text" id="edit-apachesolr-panels-search-form" name="apachesolr_panels_search_form" value="" size="15" maxlength="128" /> <labe..." Line: 353 Column: 398 - 690
"...rm-group"><input #title="Ihre Suchanfrage z.B. Titel, Autor" placeholder="Ihre Suchanfrage z.B. Titel, Autor" class="apachesolr-autocomplete unprocessed form-control form-text" type="text" id="edit-apachesolr-panels-search-form" name="apachesolr_panels_search_form" value="" size="15" maxlength="128" /> <labe..."

Duplicate ID “block-system-main-menu”.

Line: 172 Column: 5 - 88
"...der"> <section id="block-system-main-menu" class="block block-system block-menu clearfix"> ..." Line: 248 Column: 5 - 88
"...der"> <section id="block-system-main-menu" class="block block-system block-menu clearfix"> ..."

Duplicate ID “block-menu-menu-top-navigation”.

Line: 190 Column: 5 - 83
"...nav"> <section id="block-menu-menu-top-navigation" class="block block-menu clearfix"> ..." Line: 268 Column: 5 - 83
"...nav"> <section id="block-menu-menu-top-navigation" class="block block-menu clearfix"> ..."

Duplicate ID “apachesolr-panels-search-block”.

Line: 353 Column: 5 - 114
"...rch"> <form class="form-search" action="/" method="post" id="apachesolr-panels-search-block" accept-charset="UTF-8"><div c..."

Duplicate ID “edit-apachesolr-panels-search-form”.

Line: 353 Column: 398 - 690
"...rm-group"><input #title="Ihre Suchanfrage z.B. Titel, Autor" placeholder="Ihre Suchanfrage z.B. Titel, Autor" class="apachesolr-autocomplete unprocessed form-control form-text" type="text" id="edit-apachesolr-panels-search-form" name="apachesolr_panels_search_form" value="" size="15" maxlength="128" /> <labe..."

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

Line: 400 Column: 177 - 383
"...-71105-8"><img typeof="foaf:Image" class="img-responsive" src="https://www.arena-verlag.de/sites/default/files/styles/produkt_liste/public/product/cover/978-3-401-71105-8.jpg?itok=YNvJHoKu" width="165" height="214" /></a></..." Line: 403 Column: 208 - 414
"...silberne"><img typeof="foaf:Image" class="img-responsive" src="https://www.arena-verlag.de/sites/default/files/styles/produkt_liste/public/product/cover/978-3-401-71197-3.jpg?itok=jg_IOZxU" width="165" height="219" /></a></..." Line: 406 Column: 184 - 390
"...-71230-7"><img typeof="foaf:Image" class="img-responsive" src="https://www.arena-verlag.de/sites/default/files/styles/produkt_liste/public/product/cover/978-3-401-71230-7.jpg?itok=JJvZSfru" width="165" height="165" /></a></..." Line: 409 Column: 187 - 393
"...-71043-3"><img typeof="foaf:Image" class="img-responsive" src="https://www.arena-verlag.de/sites/default/files/styles/produkt_liste/public/product/cover/978-3-401-71043-3.jpg?itok=0_BfjkCJ" width="165" height="165" /></a></..." Line: 412 Column: 190 - 396
"...-60332-2"><img typeof="foaf:Image" class="img-responsive" src="https://www.arena-verlag.de/sites/default/files/styles/produkt_liste/public/product/cover/978-3-401-60332-2.jpg?itok=zPEkBsLN" width="165" height="249" /></a></..." Line: 415 Column: 182 - 388
"...-60381-0"><img typeof="foaf:Image" class="img-responsive" src="https://www.arena-verlag.de/sites/default/files/styles/produkt_liste/public/product/cover/978-3-401-60381-0.jpg?itok=EEbuXBf_" width="165" height="250" /></a></..." Line: 658 Column: 1 - 79
"... </div> <img class="bookshelf-bg" src="/sites/all/themes/arena/img/buecherregal.png" /> <p cl..."

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 11 Column: 3 - 111
"...de/" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" /> <ti..."

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 42 Column: 5 - 83
"...nav"> <section id="block-menu-menu-top-navigation" class="block block-menu clearfix"> ..." Line: 102 Column: 5 - 88
"...der"> <section id="block-system-main-menu" class="block block-system block-menu clearfix"> ..." Line: 119 Column: 5 - 87
"...der"> <section id="block-bms-custom-cart-0" class="block block-bms-custom-cart clearfix"> ..." Line: 172 Column: 5 - 88
"...der"> <section id="block-system-main-menu" class="block block-system block-menu clearfix"> ..." Line: 190 Column: 5 - 83
"...nav"> <section id="block-menu-menu-top-navigation" class="block block-menu clearfix"> ..." Line: 248 Column: 5 - 88
"...der"> <section id="block-system-main-menu" class="block block-system block-menu clearfix"> ..." Line: 268 Column: 5 - 83
"...nav"> <section id="block-menu-menu-top-navigation" class="block block-menu clearfix"> ..." Line: 326 Column: 5 - 82
"...ing"> <section id="block-views-inhaltsbox-block" class="block block-views clearfix"> ..." Line: 380 Column: 13 - 39
"... <section class="col-xs-12"> ..." Line: 646 Column: 13 - 54
"... <section class="col-xs-12" id="bookshelf"> ..." Line: 677 Column: 5 - 67
"...avi"> <section id="block-block-6" class="block block-block clearfix"> ..." Line: 695 Column: 5 - 67
"...ter"> <section id="block-block-3" class="block block-block clearfix"> ..."

Attribute “#title” is not serializable as XML 1.0.

The first occurrence of ID “block-system-main-menu” was here.

Line: 102 Column: 5 - 88
"...der"> <section id="block-system-main-menu" class="block block-system block-menu clearfix"> ..." Line: 102 Column: 5 - 88
"...der"> <section id="block-system-main-menu" class="block block-system block-menu clearfix"> ..."

The first occurrence of ID “block-menu-menu-top-navigation” was here.

Line: 42 Column: 5 - 83
"...nav"> <section id="block-menu-menu-top-navigation" class="block block-menu clearfix"> ..." Line: 42 Column: 5 - 83
"...nav"> <section id="block-menu-menu-top-navigation" class="block block-menu clearfix"> ..."

The first occurrence of ID “apachesolr-panels-search-block” was here.

Line: 141 Column: 5 - 114
"...rch"> <form class="form-search" action="/" method="post" id="apachesolr-panels-search-block" accept-charset="UTF-8"><div c..."

The first occurrence of ID “edit-apachesolr-panels-search-form” was here.

This document appears to be written in German. Consider adding “lang="de"” (or variant) to the “html” start tag.

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arena-verlag.de 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.

arena-verlag.de 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.

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arena-verlag.de desktop page speed rank

arena-verlag.de Desktop Speed Test Quick Summary

priority - 254Optimize images

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

Optimize the following images to reduce their size by 2.4MiB (84% reduction).

priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 8 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 11Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

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priority - 4Enable compression

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priority - 4Reduce server response time

In our test, your server responded in 0.63 seconds.

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.

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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 144B (11% reduction).

arena-verlag.de Desktop Resource Breakdown

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arena-verlag.de Mobile Speed Test Quick Summary

priority - 177Optimize images

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

Optimize the following images to reduce their size by 1.7MiB (82% reduction).

priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 8 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 11Minify 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 106.7KiB (42% reduction).

priority - 7Reduce server response time

In our test, your server responded in 0.67 seconds.

priority - 4Enable compression

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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:

priority - 0Minify HTML

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Minify HTML for the following resources to reduce their size by 144B (11% reduction).

arena-verlag.de Mobile Resource Breakdown

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arena-verlag.de Mobile Usability Test Quick Summary

priority - 3Size 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.

arena-verlag.de HTML validation

Errors

Legacy doctype. Expected “<!DOCTYPE html>”.

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

The “version” attribute on the “html” element is obsolete. You can safely omit it.

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

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

Attribute “#title” not allowed on element “input” at this point.

Duplicate ID “block-system-main-menu”.

Duplicate ID “block-menu-menu-top-navigation”.

Duplicate ID “apachesolr-panels-search-block”.

Duplicate ID “edit-apachesolr-panels-search-form”.

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

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Attribute “#title” is not serializable as XML 1.0.

The first occurrence of ID “block-system-main-menu” was here.

The first occurrence of ID “block-menu-menu-top-navigation” was here.

The first occurrence of ID “apachesolr-panels-search-block” was here.