koeln.de Website Information

Daily Unique Visits: 57,422

Daily Page Views: 344,532

Income Per Day: $689

Estimated Value: $496,080

This website is located in Germany and is using following IP address 81.173.246.122. See the complete list of popular websites hosted in Germany.

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

Website koeln.de is using the following name servers:

dns11.netcologne.de
dns14.netcologne.de
dns12.netcologne.de
dns13.netcologne.de

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

The highest website koeln.de position in Alexa rank database was 9445 and the lowest rank position was 987425. Current position of koeln.de in Alexa rank database is 24977.

Desktop speed score of koeln.de (44/100) is better than the results of 18.13% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of koeln.de (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 koeln.de (41/100) is better than the results of 20.18% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

koeln.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.

koeln.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: koeln.de
Status: connect

koeln.de server information

Servers Location

koeln.de desktop page speed rank

Last tested: 2017-05-23

Desktop Speed Bad

44/100

koeln.de Desktop Speed Test Quick Summary

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priority - 60Leverage 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:

http://cdn01.koeln.de/widgets/wetter/icons-22-sw/wi-day-sunny-overcast.png (expiration not specified)
http://www.koeln.de/feeds/stadt_koeln/modus=js_koelnde/anzahl=7 (expiration not specified)
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http://dmp.theadex.com/d/607/2256/s/adex.js (5 minutes)
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http://connect.facebook.net/de_DE/sdk.js (20 minutes)
http://cdn.stroeerdigitalmedia.de/praeludium/praeludium_koeln.min.js (30 minutes)
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http://www.koeln.de/files/koeln/verkaufsoffen_koeln_145.jpg (10 hours)
http://www.koeln.de/files/koeln/verkehrscam-145.jpg (10 hours)
http://www.koeln.de/files/koeln/verkehrskarte-145x110.jpg (10 hours)
http://www.koeln.de/files/koeln/werbung/Verpoorten…eer-Tiramisu-Torte.jpg (10 hours)
http://www.koeln.de/files/koeln/werbung/bodyguard-300x100.jpg (10 hours)
http://www.koeln.de/files/koeln/werbung/fantissima_teaser_284x95.jpg (10 hours)
http://www.koeln.de/files/slides/blitzer_neu_565_winter.jpg (10 hours)
http://www.koeln.de/files/slides/gastrotipps_565.jpg (10 hours)
http://www.koeln.de/files/slides/spiele_slider02_565.jpg (10 hours)
http://www.koeln.de/files/slides/verkehr_screenshot_565.jpg (10 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/k-dom.jpg (10 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/k-experten.jpg (10 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/k-home.jpg (10 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/k-mail.jpg (10 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/k-map.jpg (10 hours)
http://www.koeln.de/sites/all/themes/koelnde/image…tion/subnavi_arrow.jpg (10 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/pfeil-menue-top.jpg (10 hours)
http://www.koeln.de/files/imagecache/legacy-225/uniteaser/freibad_565_0.png (12 hours)
http://www.koeln.de/files/imagecache/legacy-225/un…gesetz_koelsch_225.png (12 hours)
http://www.koeln.de/files/imagecache/legacy-225/uniteaser/hitze_225.png (12 hours)
http://www.koeln.de/files/slides/handy_565.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/image…onsmuster_lang_RGB.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/anzeige.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/image…tton-tickets-87x24.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/clip_koelnde_116x72.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/flughafen.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/hauptbahnhof.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/k-branchen.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/k-facebook.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/k-google.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/k-instagram.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/k-rss.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/k-twitter.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/koelnarena.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/koelnerdom.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/koelnerzoo.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/koelnmesse.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/image…ons/koelntourismus.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/musicaldome.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/icons/philharmonie.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/image…startseite/stadion.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/mainBackgroundWhite.png (12 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/btn_search_submit.gif (24 hours)
http://www.koeln.de/sites/all/themes/koelnde/images/menue-pfeil.gif (24 hours)

priority - 18Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 19 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://cdn.stroeerdigitalmedia.de/praeludium/praeludium_koeln.min.js
http://www.koeln.de/misc/jquery.js
http://www.koeln.de/misc/drupal.js
http://www.koeln.de/sites/all/modules/img_assist/img_assist.js
http://www.koeln.de/sites/all/modules/jquery_update/compat.js
http://www.koeln.de/sites/all/modules/panels/js/panels.js
http://www.koeln.de/sites/all/themes/koelnde/includes/javascript/global.js
http://www.koeln.de/sites/all/themes/koelnde/inclu…ascript/jquery.tabs.js
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priority - 1Enable compression

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priority - 1Minify JavaScript

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priority - 0Minify CSS

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priority - 0Minify HTML

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koeln.de Desktop Resource Breakdown

Total Resources	241
Number of Hosts	57
Static Resources	160
JavaScript Resources	73
CSS Resources	4

koeln.de mobile page speed rank

Last tested: 2017-05-19

Mobile Speed Bad

41/100

koeln.de Mobile Speed Test Quick Summary

priority - 58Leverage 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:

http://www.koeln.de/feeds/stadt_koeln/modus=js_koelnde/anzahl=7 (expiration not specified)
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http://www.koeln.de/apps/wetter/miniwetter_koeln_mobile.js (60 minutes)
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priority - 38Optimize images

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

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priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 12 blocking script resources and 27 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://cdn.stroeerdigitalmedia.de/praeludium/praeludium_koeln.min.js
http://mobil.koeln.de/misc/jquery.js?v=1.4.4
http://mobil.koeln.de/misc/jquery.once.js?v=1.2
http://mobil.koeln.de/misc/drupal.js?oq4vd7
http://mobil.koeln.de/sites/all/modules/google_ana…gleanalytics.js?oq4vd7
https://script.ioam.de/iam.js
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http://mobil.koeln.de/sites/all/themes/omega/omega…mediaqueries.js?oq4vd7
http://mobil.koeln.de/sites/all/themes/koelnde_mob…/jquery.tabs.js?oq4vd7
http://mobil.koeln.de/sites/all/themes/koelnde_mob…y.cookie.min.js?oq4vd7
http://mobil.koeln.de/sites/all/themes/koelnde_mob…s/global.min.js?oq4vd7
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Optimize CSS Delivery of the following:

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priority - 26Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://koeln.de/
http://www.koeln.de/
http://mobil.koeln.de/

priority - 3Enable compression

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Enable compression for the following resources to reduce their transfer size by 33.4KiB (69% reduction).

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priority - 1Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 7.9KiB (31% reduction).

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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 6.1KiB (43% reduction).

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Minifying http://mobil.koeln.de/misc/jquery.once.js?v=1.2 could save 816B (76% reduction) after compression.
Minifying http://mobil.koeln.de/sites/all/modules/google_ana…gleanalytics.js?oq4vd7 could save 764B (54% reduction) after compression.
Minifying https://script.ioam.de/iam.js could save 715B (12% reduction) after compression.

koeln.de Mobile Resource Breakdown

Total Resources	247
Number of Hosts	55
Static Resources	127
JavaScript Resources	65
CSS Resources	28

koeln.de mobile page usability

Last tested: 2017-05-19

Mobile Usability Good

99/100

koeln.de 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="#null" class="cc_btn cc_btn_accept_all">Ok</a> is close to 2 other tap targets.

The tap target <a href="/cookies.html" class="cc_more_info">Mehr Informationen</a> is close to 2 other tap targets.

The tap target <a href="#main-content" class="element-invisi…ment-focusable">Skip to main content</a> is close to 1 other tap targets.

The tap target <a href="http://partner….de/koelnm/cgi">Fahrplan</a> is close to 1 other tap targets.

The tap target <a href="http://mobil.koeln.de/wetter/">12°</a> is close to 1 other tap targets.

The tap target <a href="http://mobil.koeln.de/wetter/">Wetter</a> is close to 1 other tap targets.

The tap target <div id="abgcp" class="abgcp">Datenschutzinfo</div> is close to 1 other tap targets.

The tap target <a href="http://mobil.k…e/onlinespiele">Onlinespiele</a> and 12 others are close to other tap targets.

The tap target <a href="http://ed.koel…1371__zoneid=0"></a> is close to 2 other tap targets.

The tap target <a href="/koeln/nachric…e_1055922.html">Gestohlene Fah…en - Festnahme</a> is close to 1 other tap targets.
The tap target <a href="/koeln/essen_u…mit_eierlikoer">Jede Woche ein…eckeres Rezept</a> is close to 1 other tap targets.
The tap target <label for="word">Name, Stichwort, Branche</label> is close to 1 other tap targets.
The tap target <input type="submit" class="suchbutton"> is close to 1 other tap targets.

koeln.de HTML validation

Warnings

The “type” attribute for the “style” element is not needed and should be omitted.

Line: 5 Column: 1 - 35
"...utf-8" /> <style type="text/css" media="all">.headU..." Line: 57 Column: 1 - 35
"..._head --> <style type="text/css" media="all">@impor..."

Consider avoiding viewport values that prevent users from resizing documents.

Line: 22 Column: 1 - 118
"...e</title> <meta name="viewport" id="metaViewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no"> <meta..."

The “type” attribute is unnecessary for JavaScript resources.

Line: 34 Column: 1 - 106
"...elude --> <script src="https://cdn.stroeerdigitalgroup.de/metatag/live/koeln/metaTag.min.js" type="text/javascript"></scri..." Line: 35 Column: 1 - 31
"...</script> <script type="text/javascript"> SDG...." Line: 60 Column: 1 - 81
"...7.png" /> <script type="text/javascript" src="/sites/all/themes/koelnde_v3/js/base.min.js"></scri..." Line: 61 Column: 1 - 102
"...</script> <script type="text/javascript" src="/sites/all/modules/shariff/lib/shariff-3.0.1/shariff.complete.js"></scri..." Line: 62 Column: 1 - 81
"...</script> <script type="text/javascript" src="/sites/all/modules/advpage/files/advpage.js"></scri..." Line: 63 Column: 1 - 90
"...</script> <script type="text/javascript" src="/sites/all/themes/koelnde_v3/js/cookieconsent.min.js"></scri..." Line: 64 Column: 1 - 85
"...</script> <script type="text/javascript" src="/sites/all/themes/koelnde_v3/js/adplayer.min.js"></scri..." Line: 65 Column: 1 - 101
"...</script> <script type="text/javascript" src="/sites/all/themes/koelnde_v3/inc/tiny-slider/min/tiny-slider.js"></scri..." Line: 66 Column: 1 - 67
"...</script> <script type="text/javascript" src="https://script.ioam.de/iam.js"></scri..." Line: 67 Column: 1 - 31
"...</script> <script type="text/javascript">var BA..." Line: 68 Column: 1 - 31
"...</script> <script type="text/javascript">if(typ..." Line: 69 Column: 1 - 31
"...</script> <script type="text/javascript">$(docu..." Line: 97 Column: 1 - 31
"...visible"> <script type="text/javascript"> var..." Line: 103 Column: 1 - 31
"...2.0" --> <script type="text/javascript"> var ..." Line: 148 Column: 5 - 35
".../div> <script type="text/javascript"> ..." Line: 163 Column: 3 - 86
"... </li> <script type="text/javascript" src="https://www.koeln.de/wetter/js/wetterwidget.js"></scri..." Line: 468 Column: 2 - 32
"..."></div> <script type="text/javascript"> $(doc..."

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

Line: 85 Column: 1 - 23
"...- 1:50--> <a name="top" id="top"></a> ..." Line: 211 Column: 15 - 71
"... <a name="accessMainNavigation" id="accessMainNavigation"></a> ..." Line: 238 Column: 5 - 59
"... <a name="accessSubNavigation" id="accessSubNavigation"></a> ..." Line: 358 Column: 5 - 47
"...er"> <a name="accessContent" id="accessContent"></a> <..."

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

Line: 179 Column: 17 - 133
"... <img src="/sites/all/themes/koelnde_v3/img/icons/k-facebook.png" alt="Facebook Köln" style="k-facebook" border="0" /> ..." Line: 182 Column: 17 - 130
"... <img src="/sites/all/themes/koelnde_v3/img/icons/k-twitter.png" alt="Twitter Köln" style="k-twitter" border="0" /> ..." Line: 185 Column: 17 - 136
"... <img src="/sites/all/themes/koelnde_v3/img/icons/k-instagram.png" alt="Instagram Köln" style="k-instagram" border="0" /> ..." Line: 188 Column: 17 - 127
"... <img src="/sites/all/themes/koelnde_v3/img/icons/k-google.png" alt="Google Köln" style="k-google" border="0" /> ..." Line: 191 Column: 17 - 113
"... <img src="/sites/all/themes/koelnde_v3/img/icons/k-rss.png" alt="RSS" style="k-rss" border="0" /> ..." Line: 2485 Column: 3 - 119
"...blank"> <img src="/sites/all/themes/koelnde/images/icons/k-facebook.png" alt="Facebook Köln" style="k-facebook" border="0" /> </a..." Line: 2488 Column: 3 - 116
"...blank"> <img src="/sites/all/themes/koelnde/images/icons/k-twitter.png" alt="Twitter Köln" style="k-twitter" border="0" /> </a..." Line: 2491 Column: 3 - 122
"...blank"> <img src="/sites/all/themes/koelnde/images/icons/k-instagram.png" alt="Instagram Köln" style="k-instagram" border="0" /> </a..." Line: 2494 Column: 3 - 113
"...blank"> <img src="/sites/all/themes/koelnde/images/icons/k-google.png" alt="Google Köln" style="k-google" border="0" /> </a..." Line: 2497 Column: 3 - 99
"...blank"> <img src="/sites/all/themes/koelnde/images/icons/k-rss.png" alt="RSS" style="k-rss" border="0" /> </a..."

Empty heading.

Line: 196 Column: 16 - 49
"... <h5 class="blockTitle exh2 fixed"></h5> ..." Line: 2371 Column: 6 - 39
"...ton> <h5 class="blockTitle exh2 fixed"></h5> ..."

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

Line: 2103 Column: - 60
"...alfWhite list--mostread" --> ..."

The first occurrence of ID “edit-q-wrapper” was here.

Line: 199 Column: 95 - 137
"...d__query"><div class="form-item" id="edit-q-wrapper"> <lab..."

The first occurrence of ID “edit-q” was here.

Line: 201 Column: 2 - 183
"...</label> <input type="text" maxlength="64" name="q" id="edit-q" size="30" value="" autocomplete="off" placeholder="Suchen" data-typeahead-source="/algolia/typeahead/kde" class="form-text" /> </div..."

Errors

CSS: “k-facebook”: Parse Error.

Line: 179 Column: 17 - 133
"... <img src="/sites/all/themes/koelnde_v3/img/icons/k-facebook.png" alt="Facebook Köln" style="k-facebook" border="0" /> ..." Line: 2485 Column: 3 - 119
"...blank"> <img src="/sites/all/themes/koelnde/images/icons/k-facebook.png" alt="Facebook Köln" style="k-facebook" border="0" /> </a..."

CSS: “k-twitter”: Parse Error.

Line: 182 Column: 17 - 130
"... <img src="/sites/all/themes/koelnde_v3/img/icons/k-twitter.png" alt="Twitter Köln" style="k-twitter" border="0" /> ..." Line: 2488 Column: 3 - 116
"...blank"> <img src="/sites/all/themes/koelnde/images/icons/k-twitter.png" alt="Twitter Köln" style="k-twitter" border="0" /> </a..."

CSS: “k-instagram”: Parse Error.

Line: 185 Column: 17 - 136
"... <img src="/sites/all/themes/koelnde_v3/img/icons/k-instagram.png" alt="Instagram Köln" style="k-instagram" border="0" /> ..." Line: 2491 Column: 3 - 122
"...blank"> <img src="/sites/all/themes/koelnde/images/icons/k-instagram.png" alt="Instagram Köln" style="k-instagram" border="0" /> </a..."

CSS: “k-google”: Parse Error.

Line: 188 Column: 17 - 127
"... <img src="/sites/all/themes/koelnde_v3/img/icons/k-google.png" alt="Google Köln" style="k-google" border="0" /> ..." Line: 2494 Column: 3 - 113
"...blank"> <img src="/sites/all/themes/koelnde/images/icons/k-google.png" alt="Google Köln" style="k-google" border="0" /> </a..."

CSS: “k-rss”: Parse Error.

Line: 191 Column: 17 - 113
"... <img src="/sites/all/themes/koelnde_v3/img/icons/k-rss.png" alt="RSS" style="k-rss" border="0" /> ..." Line: 2497 Column: 3 - 99
"...blank"> <img src="/sites/all/themes/koelnde/images/icons/k-rss.png" alt="RSS" style="k-rss" border="0" /> </a..."

The “width” attribute on the “table” element is obsolete. Use CSS instead.

Line: 1554 Column: 1 - 20
"...head --> <table width="100%"><tr va..."

The “valign” attribute on the “tr” element is obsolete. Use CSS instead.

Line: 1554 Column: 21 - 37
"...th="100%"><tr valign="top"> <td><..."

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

Line: 1688 Column: 3 - 89
"...blank"> <img height="95" width="284" src="/files/koeln/werbung/KW09_Verpoorten-Berliner.jpg" /> </..." Line: 1692 Column: 7 - 23
".../> </a><img src="https://ed.koeln.de/ad/www/delivery/lg.php?bannerid=1755&campaignid=917&zoneid=0" style="width: 0px; height: 0px" height="0" width="0" /><h6 cl..." Line: 1875 Column: 5 - 159
"...></a> <img src="https://ed.koeln.de/ad/www/delivery/lg.php?bannerid=1682&campaignid=882&zoneid=0" style="width: 0px; height: 0px" height="0" width="0" /> <..." Line: 2044 Column: 683 - 837
"...er--><img height="0" width="0" src="https://ed.koeln.de/ad/www/delivery/lg.php?bannerid=1765&campaignid=922&zoneid=0" style="width: 0px; height: 0px" />Perfekt für..."

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

Line: 2145 Column: 6 - 73
"...xt"> <input alt="Suchen" class="suchbutton" type="submit" value="Suchen"> <..."

Duplicate ID “edit-q-wrapper”.

Line: 2374 Column: 95 - 137
"...d__query"><div class="form-item" id="edit-q-wrapper"> <lab..."

Duplicate ID “edit-q”.

Line: 2376 Column: 2 - 183
"...</label> <input type="text" maxlength="64" name="q" id="edit-q" size="30" value="" autocomplete="off" placeholder="Suchen" data-typeahead-source="/algolia/typeahead/kde" class="form-text" /> </div..."

Stray end tag “strong”.

Line: 2505 Column: 25 - 33
"...len-Links:</strong> <..."

End tag for “body” seen, but there were unclosed elements.

Line: 2571 Column: 1 - 7
"...page --> </body> </htm..."

Unclosed element “div”.

Line: 81 Column: 1 - 41
"...="no-js"> <div id="l-page" style="margin: 0 auto;"> <div ..."

The value of the “for” attribute of the “label” element must be the ID of a non-hidden form control.

Line: 1988 Column: 15 - 35
"... <label for="keyword">Stichw..." Line: 1992 Column: 15 - 33
"... <label for="where">Ort</l..."

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koeln.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.

koeln.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.

KOELN.DE Köln - Das offizielle Stadtportal für Köln | koeln.de

koeln.de Website Information

Advertisement

koeln.de Alexa Rank

koeln.de whois

koeln.de server information

Servers Location

koeln.de desktop page speed rank

koeln.de Desktop Speed Test Quick Summary

priority - 60Optimize images

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

Optimize the following images to reduce their size by 581.9KiB (49% reduction).

priority - 60Leverage 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 - 18Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 19 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 1Enable 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 10KiB (62% reduction).

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 4.6KiB (29% reduction).

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 3.9KiB (40% reduction).

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 3.7KiB (11% reduction).

koeln.de Desktop Resource Breakdown

koeln.de mobile page speed rank

koeln.de Mobile Speed Test Quick Summary

priority - 58Leverage 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 - 38Optimize images

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

Optimize the following images to reduce their size by 367.9KiB (48% reduction).

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 12 blocking script resources and 27 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 26Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

priority - 3Enable 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 33.4KiB (69% reduction).

priority - 1Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 7.9KiB (31% reduction).

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 6.1KiB (43% reduction).

koeln.de Mobile Resource Breakdown

koeln.de mobile page usability

koeln.de 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.

koeln.de HTML validation

Warnings

The “type” attribute for the “style” element is not needed and should be omitted.

Consider avoiding viewport values that prevent users from resizing documents.

The “type” attribute is unnecessary for JavaScript resources.

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

Empty heading.

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

The first occurrence of ID “edit-q-wrapper” was here.

The first occurrence of ID “edit-q” was here.

Errors

CSS: “k-facebook”: Parse Error.

CSS: “k-twitter”: Parse Error.

CSS: “k-instagram”: Parse Error.

CSS: “k-google”: Parse Error.

CSS: “k-rss”: Parse Error.

The “width” attribute on the “table” element is obsolete. Use CSS instead.