OPENSYM.ORG The International Symposium on Open Collaboration | The conference and community for open collaboration researchers and practitioners worldwide!

opensym.org Website Information

Daily Unique Visits: 842

Daily Page Views: 1,684

Income Per Day: $5

Estimated Value: $1,200

This website is located in Germany and is using following IP address 131.188.16.200. See the complete list of popular websites hosted in Germany.

opensym.org is registered under .ORG top-level domain. Please check other sites in .ORG zone.

Website opensym.org is using the following name servers:

  • ns2.rrze.uni-erlangen.de
  • ns1.rrze.uni-erlangen.de

and is probably hosted by Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.. See the full list of other websites hosted by Verein zur Foerderung eines Deutschen Forschungsnetzes e.V..

The highest website opensym.org position in Alexa rank database was 241699 and the lowest rank position was 992589. Current position of opensym.org in Alexa rank database is 852133.

Desktop speed score of opensym.org (45/100) is better than the results of 19.01% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of opensym.org (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 opensym.org (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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opensym.org 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.


opensym.org 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: opensym.org
Registry Domain ID: 67753dcd64ad49eb9ca727f06d8ae509-LROR
Registrar WHOIS Server: http://whois.psi-usa.info
Registrar URL: http://www.psi-usa.info
Updated Date: 2024-05-26T13:48:04Z
Creation Date: 2010-04-11T13:47:36Z
Registry Expiry Date: 2025-04-11T13:47:36Z
Registrar: PSI-USA, Inc. dba Domain Robot
Registrar IANA ID: 151
Registrar Abuse Contact Email: domain-abuse@psi-usa.info
Registrar Abuse Contact Phone: +49.94159559482
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Universitaet Erlangen-Nuernberg, Professur fuer Open Source Software
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: DE
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: DE
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns1.rrze.uni-erlangen.de
Name Server: ns2.rrze.uni-erlangen.de
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-11-10T22:06:30Z

opensym.org server information

Servers Location

opensym.org desktop page speed rank

Last tested: 2015-09-23


Desktop Speed Bad
45/100

opensym.org Desktop Speed Test Quick Summary


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

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opensym.org Desktop Resource Breakdown

Total Resources124
Number of Hosts12
Static Resources40
JavaScript Resources60
CSS Resources6

opensym.org mobile page speed rank

Last tested: 2019-07-01


Mobile Speed Medium
65/100

opensym.org Mobile Speed Test Quick Summary


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

Your page has 2 blocking script resources and 8 blocking CSS resources. This causes a delay in rendering your page.

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priority - 20Leverage 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 - 3Reduce server response time

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priority - 0Minify CSS

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opensym.org Mobile Resource Breakdown

Total Resources81
Number of Hosts10
Static Resources43
JavaScript Resources34
CSS Resources10

opensym.org mobile page usability

Last tested: 2019-07-01


Mobile Usability Good
99/100

opensym.org 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 <button class="menu-toggle">Menu</button> is close to 1 other tap targets.

The tap target <a href="https://opensy…-is-available/">Program is available</a> is close to 1 other tap targets.

The tap target <a href="https://opensy…uncategorized/">Uncategorized</a> and 18 others are close to other tap targets.

The tap target <a href="http://www.ope…oceedings2018/">proceedings page</a> and 3 others are close to other tap targets.
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opensym.org HTML validation

Warnings

The “type” attribute is unnecessary for JavaScript resources.

Line: 26 Column: 3 - 33
"...ed/" /> <script type="text/javascript"> wi..." Line: 55 Column: 1 - 103
"...='all' /> <script type='text/javascript' src='https://opensym.org/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp'></scri..." Line: 56 Column: 1 - 111
"...</script> <script type='text/javascript' src='https://opensym.org/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1'></scri..." Line: 695 Column: 1 - 31
"...> </form> <script type='text/javascript'> /* <!..." Line: 768 Column: 2 - 32
"...e --> <script type="text/javascript"> win..." Line: 799 Column: 3 - 102
"... </div> <script type='text/javascript' src='https://s0.wp.com/wp-content/js/devicepx-jetpack.js?ver=201944'></scri..." Line: 800 Column: 1 - 31
"...</script> <script type='text/javascript'> /* <!..." Line: 805 Column: 1 - 111
"...</script> <script type='text/javascript' src='https://opensym.org/wp-content/plugins/zero-spam/js/zerospam.js?ver=3.1.1'></scri..." Line: 806 Column: 1 - 119
"...</script> <script type='text/javascript' src='https://opensym.org/wp-content/themes/twentythirteen/js/functions.js?ver=20160717'></scri..." Line: 807 Column: 1 - 98
"...</script> <script type='text/javascript' src='https://opensym.org/wp-includes/js/wp-embed.min.js?ver=5.2.4'></scri..." Line: 808 Column: 1 - 122
"...</script> <script type='text/javascript' src='https://opensym.org/wp-content/plugins/jetpack/_inc/build/postmessage.min.js?ver=7.8'></scri..." Line: 809 Column: 1 - 132
"...</script> <script type='text/javascript' src='https://opensym.org/wp-content/plugins/jetpack/_inc/build/jquery.jetpack-resize.min.js?ver=7.8'></scri..." Line: 810 Column: 1 - 129
"...</script> <script type='text/javascript' src='https://opensym.org/wp-content/plugins/jetpack/_inc/build/likes/queuehandler.min.js?ver=7.8'></scri..." Line: 811 Column: 1 - 115
"...</script> <script type='text/javascript' src='https://opensym.org/wp-content/plugins/jetpack/_inc/build/spin.min.js?ver=1.3'></scri..." Line: 812 Column: 1 - 122
"...</script> <script type='text/javascript' src='https://opensym.org/wp-content/plugins/jetpack/_inc/build/jquery.spin.min.js?ver=1.3'></scri..." Line: 813 Column: 1 - 31
"...</script> <script type='text/javascript'> /* <!..." Line: 818 Column: 1 - 141
"...</script> <script type='text/javascript' src='https://opensym.org/wp-content/plugins/jetpack/_inc/build/carousel/jetpack-carousel.min.js?ver=20190102'></scri..." Line: 819 Column: 1 - 31
"...</script> <script type='text/javascript'> /* <!..." Line: 824 Column: 1 - 129
"...</script> <script type='text/javascript' src='https://opensym.org/wp-content/plugins/jetpack/_inc/build/sharedaddy/sharing.min.js?ver=7.8'></scri..." Line: 825 Column: 1 - 31
"...</script> <script type='text/javascript'> var w..." Line: 874 Column: 2 - 99
"...l></div> <script type='text/javascript' src='https://stats.wp.com/e-201944.js' async='async' defer='defer'></scri..." Line: 875 Column: 1 - 31
"...</script> <script type='text/javascript'> _stq..."

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

Line: 30 Column: 3 - 25
"...script> <style type="text/css"> img.w..." Line: 69 Column: 2 - 55
"...r.com'/> <style type="text/css" id="twentythirteen-header-css"> .si..." Line: 104 Column: 4 - 45
"...gs --> <style type="text/css" id="wp-custom-css"> /..."

The “banner” role is unnecessary for element “header”.

Line: 149 Column: 3 - 58
"... site"> <header id="masthead" class="site-header" role="banner"> <a..."

The “navigation” role is unnecessary for element “nav”.

Line: 156 Column: 5 - 83
"...bar"> <nav id="site-navigation" class="navigation main-navigation" role="navigation"> ..." Line: 611 Column: 6 - 65
"... <nav class="navigation paging-navigation" role="navigation"> <h1..."

The “contentinfo” role is unnecessary for element “footer”.

Line: 758 Column: 3 - 63
"...ain --> <footer id="colophon" class="site-footer" role="contentinfo"> ..."

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

Line: 239 Column: 5 - 28
"..."> <h1 class="entry-title"> <a..." Line: 324 Column: 5 - 28
"..."> <h1 class="entry-title"> <a..." Line: 505 Column: 1 - 4
"...></a></p> <h1>About ..." Line: 355 Column: 5 - 28
"..."> <h1 class="entry-title"> <a..." Line: 402 Column: 5 - 28
"..."> <h1 class="entry-title"> <a..." Line: 494 Column: 5 - 28
"..."> <h1 class="entry-title"> <a..." Line: 378 Column: 5 - 28
"..."> <h1 class="entry-title"> <a..." Line: 590 Column: 1 - 4
"...nbsp;</p> <h1>Import..." Line: 297 Column: 5 - 28
"..."> <h1 class="entry-title"> <a..." Line: 270 Column: 5 - 28
"..."> <h1 class="entry-title"> <a..." Line: 427 Column: 5 - 28
"..."> <h1 class="entry-title"> <a..." Line: 216 Column: 5 - 28
"..."> <h1 class="entry-title"> <a..." Line: 599 Column: 1 - 4
"...li> </ul> <h1>Confer..." Line: 612 Column: 3 - 33
"...ation"> <h1 class="screen-reader-text">Posts ..."

Errors

No “p” element in scope but a “p” end tag seen.

Line: 414 Column: 1705 - 1708
"...></figure></p> <div ..." Line: 642 Column: 1 - 4
"...a>. </p> </p></div>..."

Bad value “http://Matt Germonprez (University of Nebraska at Omaha)” for attribute “href” on element “a”: Invalid host: Illegal character in domain: space is not allowed.

Line: 601 Column: 24 - 90
"...m chair is<a href="http://Matt Germonprez (University of Nebraska at Omaha)"> Matt ..."

The “center” element is obsolete. Use CSS instead.

Line: 642 Column: 210 - 217
"...s.se/en/"><center><img s..."

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

Line: 642 Column: 218 - 309
"..."><center><img src="/wp-content/uploads/2019/06/HIS_ENG_SVART_highest.png" width="200" height="206" /></cent..." Line: 644 Column: 45 - 98
"...et.se/en"><img src="/wp-content/uploads/2019/06/kkv_logo.png" /></a></..." Line: 645 Column: 208 - 259
"....acm.org"><img src="/wp-content/uploads/2016/05/incoop.jpg" /></a> ..." Line: 647 Column: 35 - 87
"...oft.org/"><img src="/wp-content/uploads/2016/05/sigsoft.jpg" /></a> ..." Line: 649 Column: 34 - 85
"...web.org/"><img src="/wp-content/uploads/2016/05/sigweb.jpg" /></a></..."

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

Line: 872 Column: 2 - 153
".../script> <iframe src='https://widgets.wp.com/likes/master.html?ver=201944#ver=201944' scrolling='no' id='likes-master' name='likes-master' style='display:none;'></ifra..."

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opensym.org 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.


opensym.org 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.