COBOCARDS.COM Karteikarten online und mobil lernen. CoboCards

cobocards.com Website Information

Daily Unique Visits: 3,983

Daily Page Views: 15,932

Income Per Day: $45

Estimated Value: $24,300

This website is located in Germany and is using following IP address 46.163.113.148. See the complete list of popular websites hosted in Germany.

cobocards.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website cobocards.com is using the following name servers:

  • ns2.namespace4you.de
  • ns.namespace4you.de

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

The highest website cobocards.com position in Alexa rank database was 26040 and the lowest rank position was 999798. Current position of cobocards.com in Alexa rank database is 315055.

Desktop speed score of cobocards.com (82/100) is better than the results of 74.03% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of cobocards.com (71/100) is better than the results of 21.61% of other sites and means that the page is not mobile-friendly.

Mobile speed score of cobocards.com (65/100) is better than the results of 66.06% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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cobocards.com 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.


cobocards.com 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 Name: COBOCARDS.COM
Registry Domain ID: 1013759928_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.meshdigital.com
Registrar URL: http://www.meshdigital.com
Updated Date: 2024-06-05T12:01:21Z
Creation Date: 2007-06-06T09:33:35Z
Registry Expiry Date: 2025-06-06T09:33:35Z
Registrar: Mesh Digital Limited
Registrar IANA ID: 1390
Registrar Abuse Contact Email: abuse@domainbox.com
Registrar Abuse Contact Phone: +18779770099
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS69.DOMAINCONTROL.COM
Name Server: NS70.DOMAINCONTROL.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-10-25T07:24:04Z

cobocards.com server information

Servers Location

cobocards.com desktop page speed rank

Last tested: 2019-01-25


Desktop Speed Medium
82/100

cobocards.com Desktop Speed Test Quick Summary


priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.cobocards.com/javascript/default.en.js?1254662982
https://www.cobocards.com/javascript/fancybox/jquery-1.4.2.min.js
https://www.cobocards.com/javascript/fancybox/jquery.fancybox-1.3.1.pack.js
https://www.cobocards.com/xajax/xajax_js/xajax_core.js?123

Optimize CSS Delivery of the following:

https://www.cobocards.com/css/style.css?1436119862
https://www.cobocards.com/javascript/fancybox/jquery.fancybox-1.3.1.css

priority - 7Leverage 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.cobocards.com/data/images/bg_white_yellow.gif (expiration not specified)
https://www.cobocards.com/data/images/button_blue_light_bg.gif (expiration not specified)
https://www.cobocards.com/data/images/close.png (expiration not specified)
https://www.cobocards.com/data/images/cobocards_logo.png (expiration not specified)
https://www.cobocards.com/data/images/cobocards_song.png (expiration not specified)
https://www.cobocards.com/data/images/facebook_icon.png (expiration not specified)
https://www.cobocards.com/data/images/loader_snake_blue.gif (expiration not specified)
https://www.cobocards.com/data/images/loader_snake_grey.gif (expiration not specified)
https://www.cobocards.com/data/images/twitter_icon_small.png (expiration not specified)
https://www.cobocards.com/javascript/fancybox/jquery-1.4.2.min.js (expiration not specified)
https://www.cobocards.com/javascript/fancybox/jquery.fancybox-1.3.1.css (expiration not specified)
https://www.cobocards.com/javascript/fancybox/jquery.fancybox-1.3.1.pack.js (expiration not specified)
https://m.addthisedge.com/live/boost/xa-4d2ce45c48…_ate.track.config_resp (56 seconds)
https://s7.addthis.com/js/250/addthis_widget.js (10 minutes)
https://connect.facebook.net/en_US/all.js (20 minutes)

priority - 3Avoid 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://cobocards.com/
https://www.cobocards.com/
https://www.cobocards.com/en/

priority - 2Optimize images

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

Optimize the following images to reduce their size by 19.6KiB (28% reduction).

Compressing https://www.cobocards.com/data/images/cobocards_song.png could save 12.7KiB (22% reduction).
Compressing https://www.cobocards.com/data/images/twitter_icon_small.png could save 2.5KiB (72% reduction).
Compressing https://www.cobocards.com/data/images/facebook_icon.png could save 2.4KiB (67% reduction).
Compressing https://www.cobocards.com/data/images/cobocards_logo.png could save 1.2KiB (30% reduction).
Compressing https://www.cobocards.com/data/images/bg_white_yellow.gif could save 623B (59% reduction).
Compressing https://www.cobocards.com/data/images/close.png could save 217B (45% reduction).
Compressing https://www.cobocards.com/data/images/button_blue_light_bg.gif could save 114B (35% 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 667B (39% reduction).

Minifying https://connect.facebook.net/en_US/all.js could save 667B (39% reduction) after compression.

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 328B (21% reduction).

Minifying https://www.cobocards.com/javascript/fancybox/jquery.fancybox-1.3.1.css could save 328B (21% reduction) after compression.

cobocards.com Desktop Resource Breakdown

Total Resources35
Number of Hosts10
Static Resources23
JavaScript Resources11
CSS Resources2

cobocards.com mobile page speed rank

Last tested: 2019-01-25


Mobile Speed Medium
65/100

cobocards.com Mobile Speed Test Quick Summary


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

Your page has 4 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.cobocards.com/javascript/default.en.js?1254662982
https://www.cobocards.com/javascript/fancybox/jquery-1.4.2.min.js
https://www.cobocards.com/javascript/fancybox/jquery.fancybox-1.3.1.pack.js
https://www.cobocards.com/xajax/xajax_js/xajax_core.js?123

Optimize CSS Delivery of the following:

https://www.cobocards.com/css/style.css?1436119862
https://www.cobocards.com/javascript/fancybox/jquery.fancybox-1.3.1.css

priority - 11Leverage 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.cobocards.com/data/images/bg_white_yellow.gif (expiration not specified)
https://www.cobocards.com/data/images/button_blue_light_bg.gif (expiration not specified)
https://www.cobocards.com/data/images/close.png (expiration not specified)
https://www.cobocards.com/data/images/cobocards_logo.png (expiration not specified)
https://www.cobocards.com/data/images/cobocards_song.png (expiration not specified)
https://www.cobocards.com/data/images/facebook_icon.png (expiration not specified)
https://www.cobocards.com/data/images/loader_snake_blue.gif (expiration not specified)
https://www.cobocards.com/data/images/loader_snake_grey.gif (expiration not specified)
https://www.cobocards.com/data/images/twitter_icon_small.png (expiration not specified)
https://www.cobocards.com/javascript/fancybox/jquery-1.4.2.min.js (expiration not specified)
https://www.cobocards.com/javascript/fancybox/jquery.fancybox-1.3.1.css (expiration not specified)
https://www.cobocards.com/javascript/fancybox/jquery.fancybox-1.3.1.pack.js (expiration not specified)
https://m.addthisedge.com/live/boost/xa-4d2ce45c48…_ate.track.config_resp (59 seconds)
https://s7.addthis.com/js/250/addthis_widget.js (10 minutes)
https://connect.facebook.net/en_US/all.js (20 minutes)

priority - 10Avoid 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://cobocards.com/
https://www.cobocards.com/
https://www.cobocards.com/en/

priority - 2Optimize images

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

Optimize the following images to reduce their size by 19.6KiB (28% reduction).

Compressing https://www.cobocards.com/data/images/cobocards_song.png could save 12.7KiB (22% reduction).
Compressing https://www.cobocards.com/data/images/twitter_icon_small.png could save 2.5KiB (72% reduction).
Compressing https://www.cobocards.com/data/images/facebook_icon.png could save 2.4KiB (67% reduction).
Compressing https://www.cobocards.com/data/images/cobocards_logo.png could save 1.2KiB (30% reduction).
Compressing https://www.cobocards.com/data/images/bg_white_yellow.gif could save 623B (59% reduction).
Compressing https://www.cobocards.com/data/images/close.png could save 217B (45% reduction).
Compressing https://www.cobocards.com/data/images/button_blue_light_bg.gif could save 114B (35% 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 667B (39% reduction).

Minifying https://connect.facebook.net/en_US/all.js could save 667B (39% reduction) after compression.

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 328B (21% reduction).

Minifying https://www.cobocards.com/javascript/fancybox/jquery.fancybox-1.3.1.css could save 328B (21% reduction) after compression.

cobocards.com Mobile Resource Breakdown

Total Resources36
Number of Hosts10
Static Resources24
JavaScript Resources12
CSS Resources2

cobocards.com mobile page usability

Last tested: 2019-01-25


Mobile Usability Medium
71/100

cobocards.com Mobile Usability Test Quick Summary


priority - 18Size 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 id="loginb" href="#loginbox" class="active">Login</a> is close to 2 other tap targets.

The tap target <div id="u_0_0">Recommend1.6K</div> is close to 1 other tap targets.

The tap target <button type="submit" class="inlineBlock _2tga _49ve">Recommend1.6K</button> is close to 1 other tap targets.

The tap target <div id="u_0_1" class="_4z_b _4z_8 _4z_d">Login with Facebook</div> is close to 2 other tap targets.

The tap target <input type="text" name="email" class="inputfield"> is close to 1 other tap targets.

The tap target <a href="#" class="img_button_blue_light">Get Started Now</a> is close to 2 other tap targets.

The tap target <div id="u_0_1" class="_4z_b _4z_8 _4z_d">Or connect with Facebook</div> is close to 1 other tap targets.

The tap target <a href="/m/">mobile website</a> is close to 1 other tap targets.

The tap target <a href="/en/tour/">Tour</a> and 12 others are close to other tap targets.

The tap target <a href="/de/">Deutsch</a> and 1 others are close to other tap targets.

The tap target <a href="http://twitter.com/cobocards"></a> and 2 others are close to other tap targets.

priority - 12Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

Login renders only 6 pixels tall (16 CSS pixels).

Recommend renders only 4 pixels tall (11 CSS pixels).

1.6K renders only 4 pixels tall (11 CSS pixels).

Login with Facebook renders only 4 pixels tall (11 CSS pixels).

Or connect with Facebook renders only 4 pixels tall (11 CSS pixels).

News   | renders only 5 pixels tall (14 CSS pixels).

Professionelle…haftsfachwirt) renders only 5 pixels tall (14 CSS pixels).

Study effectively together and 5 others render only 6 pixels tall (16 CSS pixels).

Create - alone…h cards online and 6 others render only 5 pixels tall (14 CSS pixels).

„I have never…sh cards fun.“ and 6 others render only 5 pixels tall (14 CSS pixels).

Pool for flash cards and 3 others render only 5 pixels tall (14 CSS pixels).

with friends,…chat or Skype. and 1 others render only 5 pixels tall (14 CSS pixels).

Print your fla…o have an API. and 6 others render only 5 pixels tall (14 CSS pixels).

. More than 3.…ional authors. and 2 others render only 5 pixels tall (14 CSS pixels).

Livehacker Blog renders only 5 pixels tall (14 CSS pixels).

Startup Meme renders only 5 pixels tall (14 CSS pixels).

CoboCards and 3 others render only 5 pixels tall (14 CSS pixels).

Publishers/Authors and 12 others render only 5 pixels tall (12 CSS pixels).

Choose a language renders only 5 pixels tall (12 CSS pixels).

Deutsch and 1 others render only 5 pixels tall (12 CSS pixels).

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

cobocards.com HTML validation

Errors

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

Line: 2 Column: 1 - 41
"...<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <htm..."

Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.

Line: 13 Column: 3 - 47
"...utf-8"> <meta http-equiv="imagetoolbar" content="no"> <me..."

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Line: 14 Column: 3 - 51
"...t="no"> <meta http-equiv="content-language" content="de"> <me..."

Element “script” must not have attribute “charset” unless attribute “src” is also specified.

Line: 31 Column: 1 - 47
"...s"> <script type="text/javascript" charset="UTF-8"> /* <!..." Line: 45 Column: 1 - 47
".../script> <script type='text/javascript' charset='UTF-8'> /* <!..."

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

Line: 71 Column: 8 - 316
"..."> <iframe src="https://www.facebook.com/plugins/like.php?href=http://www.facebook.com/cobocards&layout=button_count&width=150&height=20&show_faces=false&action=recommend&colorscheme=light" scrolling="no" frameborder="0" style="border:none;overflow:hidden;width:150px;height:20px;" allowTransparency="true"></iframe> ..."

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

Line: 71 Column: 8 - 316
"..."> <iframe src="https://www.facebook.com/plugins/like.php?href=http://www.facebook.com/cobocards&layout=button_count&width=150&height=20&show_faces=false&action=recommend&colorscheme=light" scrolling="no" frameborder="0" style="border:none;overflow:hidden;width:150px;height:20px;" allowTransparency="true"></iframe> ..."

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

Line: 71 Column: 8 - 316
"..."> <iframe src="https://www.facebook.com/plugins/like.php?href=http://www.facebook.com/cobocards&layout=button_count&width=150&height=20&show_faces=false&action=recommend&colorscheme=light" scrolling="no" frameborder="0" style="border:none;overflow:hidden;width:150px;height:20px;" allowTransparency="true"></iframe> ..."

Bad element name “fb:login-button”: Code point “U+003A” is not allowed

Line: 74 Column: 52 - 102
"...ht:10px;"><fb:login-button scope="email" onlogin="fblogin()">Mit Fa..." Line: 120 Column: 59 - 109
"...:center;"><fb:login-button scope="email" onlogin="fblogin()">Du bis..."

Element “div” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)

Line: 106 Column: 51 - 97
"...ht:52px;"><div style="text-align:center;font-size:38px;">Die ei..." Line: 106 Column: 153 - 199
"...iert</div><div style="text-align:center;font-size:38px;">durch ..."

Bad value “” for attribute “action” on element “form”: Must be non-empty.

Line: 116 Column: 6 - 167
"...div> <form id="signupform" name="signupform" action="" onsubmit="toggleDiv('signuploader','block');xajax_signupQuick(xajax.getFormValues('signupform'));return false;"> ..." Line: 199 Column: 3 - 154
"...inbox"> <form id="loginform" name="loginform" action="" onsubmit="toggleDiv('loginloader','block');xajax_login(xajax.getFormValues('loginform'));return false;"> <a..."

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

Line: 178 Column: 86 - 180
"...="_blank"><img src="https://ssl.gstatic.com/images/icons/gplus-32.png" width="20" height="20" border="0"></a> ..."

Warnings

Element name “fb:login-button” cannot be represented as XML 1.0.

Line: 74 Column: 52 - 102
"...ht:10px;"><fb:login-button scope="email" onlogin="fblogin()">Mit Fa..." Line: 120 Column: 59 - 109
"...:center;"><fb:login-button scope="email" onlogin="fblogin()">Du bis..."

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

Line: 108 Column: 93 - 157
"...&hd=1"><img src="/data/images/cobocards_song.png" alt="Tour" border="0"></a> <..." Line: 176 Column: 60 - 131
"...="_blank"><img src="/data/images/twitter_icon_small.png" border="0" alt="Twitter"></a>&n..." Line: 177 Column: 65 - 132
"...="_blank"><img src="/data/images/facebook_icon.png" border="0" alt="Facebook"></a>&n..." Line: 178 Column: 86 - 180
"...="_blank"><img src="https://ssl.gstatic.com/images/icons/gplus-32.png" width="20" height="20" border="0"></a> ..."

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

Line: 4 Column: 42 - 6
"...rict.dtd"> <html> <he..."

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cobocards.com 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.


cobocards.com 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.