CHAOS-MATH.ORG Website Information

chaos-math.org Website Information

Daily Unique Visits: 765

Daily Page Views: 1,530

Income Per Day: $5

Estimated Value: $1,200

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

No name server records were found.

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

The highest website chaos-math.org position in Alexa rank database was 78298 and the lowest rank position was 999542. Current position of chaos-math.org in Alexa rank database is 937635.

Desktop speed score of chaos-math.org (85/100) is better than the results of 80% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of chaos-math.org (94/100) is better than the results of 36.81% of other sites and means that the page is mobile-friendly.

Mobile speed score of chaos-math.org (72/100) is better than the results of 79.79% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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chaos-math.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.


chaos-math.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: chaos-math.org
Registry Domain ID: 4dfd33df63a04270b6fe7ae43eeb7c0d-LROR
Registrar WHOIS Server: http://whois.godaddy.com
Registrar URL: http://www.whois.godaddy.com
Updated Date: 2023-08-10T13:58:49Z
Creation Date: 2011-08-09T09:21:15Z
Registry Expiry Date: 2028-08-09T09:21:15Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: +1.4806242505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Domain Status: autoRenewPeriod https://icann.org/epp#autoRenewPeriod
Domain Status: renewPeriod https://icann.org/epp#renewPeriod
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Domains By Proxy, LLC
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Arizona
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
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.mathrice.fr
Name Server: ns2.mathrice.fr
Name Server: ns3.mathrice.fr
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2023-08-12T12:22:06Z

chaos-math.org server information

Servers Location

chaos-math.org desktop page speed rank

Last tested: 2016-12-01


Desktop Speed Good
85/100

chaos-math.org Desktop Speed Test Quick Summary


priority - 6Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.chaos-math.org/sites/site1.drupal.mathr…QllT-bw2Mhf0kf7N_OQ.js
http://www.chaos-math.org/sites/site1.drupal.mathr…fyxF35NMeAQEuwrGBi8.js
http://www.chaos-math.org/sites/site1.drupal.mathr…p7kG7ZGjRY8STF4ZAvo.js
http://www.chaos-math.org/sites/site1.drupal.mathr…rwtlUgBWDVLnegTTDzM.js
http://www.chaos-math.org/sites/site1.drupal.mathr…aXCPZWFSLoY556H9DR0.js

Optimize CSS Delivery of the following:

http://www.chaos-math.org/sites/site1.drupal.mathr…xu4WO-qwma6Xer30m4.css
http://www.chaos-math.org/sites/site1.drupal.mathr…y2IzHRoNZ539TZhYxI.css
http://www.chaos-math.org/sites/site1.drupal.mathr…cdTxZemzrbulmX8Lfg.css
http://www.chaos-math.org/sites/site1.drupal.mathr…GRCKe0s6Pf5eTaB94M.css
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http://www.chaos-math.org/sites/site1.drupal.mathr…nIvBuHnk1S1GLH_fgo.css
http://www.chaos-math.org/sites/site1.drupal.mathr…8BM43rXytahSeBfheQ.css

priority - 3Leverage 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://s7.addthis.com/l10n/client.fr.min.json (expiration not specified)
http://s7.addthis.com/js/250/addthis_widget.js (10 minutes)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
http://connect.facebook.net/fr_FR/sdk.js (20 minutes)
http://apis.google.com/js/plusone.js (30 minutes)
https://apis.google.com/js/rpc:shindig_random.js?onload=init (30 minutes)

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 28.4KiB (76% reduction).

Compressing http://www.chaos-math.org/fr could save 28.4KiB (76% reduction).

priority - 3Optimize images

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

Optimize the following images to reduce their size by 25.3KiB (34% reduction).

Compressing http://www.chaos-math.org/en/sites/site1.drupal.ma…-1_s.png?itok=gkcgmGmr could save 10.9KiB (26% 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 10.3KiB (18% reduction).

Minifying http://www.chaos-math.org/sites/site1.drupal.mathr…rwtlUgBWDVLnegTTDzM.js could save 4.6KiB (20% reduction) after compression.
Minifying http://www.chaos-math.org/sites/site1.drupal.mathr…QllT-bw2Mhf0kf7N_OQ.js could save 4.6KiB (15% reduction) after compression.
Minifying http://www.chaos-math.org/sites/site1.drupal.mathr…p7kG7ZGjRY8STF4ZAvo.js could save 1KiB (43% reduction) after compression.

priority - 1Reduce server response time

chaos-math.org Desktop Resource Breakdown

Total Resources82
Number of Hosts18
Static Resources45
JavaScript Resources27
CSS Resources9

chaos-math.org mobile page speed rank

Last tested: 2016-12-01


Mobile Speed Medium
72/100

chaos-math.org Mobile Speed Test Quick Summary


priority - 24Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.chaos-math.org/sites/site1.drupal.mathr…QllT-bw2Mhf0kf7N_OQ.js
http://www.chaos-math.org/sites/site1.drupal.mathr…fyxF35NMeAQEuwrGBi8.js
http://www.chaos-math.org/sites/site1.drupal.mathr…p7kG7ZGjRY8STF4ZAvo.js
http://www.chaos-math.org/sites/site1.drupal.mathr…rwtlUgBWDVLnegTTDzM.js
http://www.chaos-math.org/sites/site1.drupal.mathr…aXCPZWFSLoY556H9DR0.js

Optimize CSS Delivery of the following:

http://www.chaos-math.org/sites/site1.drupal.mathr…xu4WO-qwma6Xer30m4.css
http://www.chaos-math.org/sites/site1.drupal.mathr…y2IzHRoNZ539TZhYxI.css
http://www.chaos-math.org/sites/site1.drupal.mathr…cdTxZemzrbulmX8Lfg.css
http://www.chaos-math.org/sites/site1.drupal.mathr…GRCKe0s6Pf5eTaB94M.css
http://www.chaos-math.org/sites/site1.drupal.mathr…OPvmwzWEUBYbDBhqLU.css
http://www.chaos-math.org/sites/site1.drupal.mathr…nIvBuHnk1S1GLH_fgo.css
http://www.chaos-math.org/sites/site1.drupal.mathr…8BM43rXytahSeBfheQ.css

priority - 4Leverage 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://s7.addthis.com/l10n/client.fr.min.json (expiration not specified)
http://s7.addthis.com/js/250/addthis_widget.js (10 minutes)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
http://connect.facebook.net/fr_FR/sdk.js (20 minutes)
http://apis.google.com/js/plusone.js (30 minutes)
https://apis.google.com/js/rpc:shindig_random.js?onload=init (30 minutes)

priority - 3Reduce server response time

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 28.4KiB (76% reduction).

Compressing http://www.chaos-math.org/fr could save 28.4KiB (76% reduction).

priority - 1Optimize images

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

Optimize the following images to reduce their size by 14.3KiB (24% reduction).

Compressing http://www.chaos-math.org/en/sites/site1.drupal.ma…-1_s.png?itok=gkcgmGmr could save 10.9KiB (26% reduction).
Compressing http://www.chaos-math.org/sites/site1.drupal.mathr…iles/poincare_home.png could save 3.5KiB (20% 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 10.3KiB (18% reduction).

Minifying http://www.chaos-math.org/sites/site1.drupal.mathr…rwtlUgBWDVLnegTTDzM.js could save 4.6KiB (20% reduction) after compression.
Minifying http://www.chaos-math.org/sites/site1.drupal.mathr…QllT-bw2Mhf0kf7N_OQ.js could save 4.6KiB (15% reduction) after compression.
Minifying http://www.chaos-math.org/sites/site1.drupal.mathr…p7kG7ZGjRY8STF4ZAvo.js could save 1KiB (43% reduction) after compression.

chaos-math.org Mobile Resource Breakdown

Total Resources82
Number of Hosts18
Static Resources45
JavaScript Resources27
CSS Resources9

chaos-math.org mobile page usability

Last tested: 2016-12-01


Mobile Usability Good
94/100

chaos-math.org Mobile Usability Test Quick Summary


priority - 3Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 415 CSS pixels wide, but the viewport is only 411 CSS pixels wide. The following elements fall outside the viewport:

The element <td class="td2vid tdvideoba"></td> falls outside the viewport.

priority - 2Size 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="//m.addthis.co…ed&amp;pco=tbx-300" class="addthis_button_mailto at300b"></a> and 1 others are close to other tap targets.
The tap target <div class="pluginButton p…onDisconnected">J’aime</div> is close to 2 other tap targets.
The tap target <button type="submit"></button> and 1 others are close to other tap targets.
The tap target <a href="http://www.add…mark.php?v=250" class="addthis_button…plusone at300b"></a> and 4 others are close to other tap targets.
The tap target <div id="plusone" class="Jg">21</div> is close to 1 other tap targets.
The tap target <div id="plusone" class="Jg">21</div> is close to 1 other tap targets.

chaos-math.org HTML validation

Errors

Attribute “xmlns:fb” not allowed here.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute “xmlns:content” not allowed here.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute “xmlns:dc” not allowed here.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute “xmlns:foaf” not allowed here.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute “xmlns:og” not allowed here.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute “xmlns:rdfs” not allowed here.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute “xmlns:sioc” not allowed here.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute “xmlns:sioct” not allowed here.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute “xmlns:skos” not allowed here.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute “xmlns:xsd” not allowed here.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

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

Line: 27 Column: 1 - 42
"...nt="yes"> <meta http-equiv="cleartype" content="on"> <meta..."

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Line: 28 Column: 1 - 63
"...ent="on"> <meta http-equiv="X-UA-Compatible" content="IE=edge, chrome=1"> <titl..."

Attribute “about” not allowed on element “article” at this point.

Line: 134 Column: 7 - 141
"...t"> <article id="article-37" class="article article-type-panel clearfix" about="/fr/home2" typeof="sioc:Item foaf:Document" role="article"> ..." Line: 147 Column: 5 - 143
"...ent"> <article id="article-38" class="article article-media-accueil clearfix" about="/fr/homeba" typeof="sioc:Item foaf:Document" role="article"> ..." Line: 184 Column: 5 - 143
"...ent"> <article id="article-36" class="article article-type-article clearfix" about="/fr/hometxt" typeof="sioc:Item foaf:Document" role="article"> ..."

Attribute “content” not allowed on element “span” at this point.

Line: 137 Column: 7 - 80
"... <span property="dc:title" content="CHAOS" class="rdf-meta element-hidden"></span..." Line: 137 Column: 88 - 188
"...n"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span..." Line: 150 Column: 7 - 75
"... <span property="dc:title" content="" class="rdf-meta element-hidden"></span..." Line: 150 Column: 83 - 183
"...n"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span..." Line: 187 Column: 7 - 75
"... <span property="dc:title" content="" class="rdf-meta element-hidden"></span..." Line: 187 Column: 83 - 183
"...n"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span..."

Attribute “datatype” not allowed on element “span” at this point.

Line: 137 Column: 88 - 188
"...n"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span..." Line: 150 Column: 83 - 183
"...n"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span..." Line: 187 Column: 83 - 183
"...n"></span><span property="sioc:num_replies" content="0" datatype="xsd:integer" class="rdf-meta element-hidden"></span..."

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

Line: 154 Column: 1 - 66
"...rong></p> <table border="0" cellpadding="1" cellspacing="1" id="tab_remerc"><tbody..."

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

Line: 154 Column: 1 - 66
"...rong></p> <table border="0" cellpadding="1" cellspacing="1" id="tab_remerc"><tbody..."

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

Line: 154 Column: 1 - 66
"...rong></p> <table border="0" cellpadding="1" cellspacing="1" id="tab_remerc"><tbody..."

Bad value “yes” for attribute “allowfullscreen” on element “iframe”.

Line: 160 Column: 1 - 161
"...enter; "> <iframe allowfullscreen="yes" frameborder="0" height="395" scrolling="no" src="http://www.youtube.com/embed/pWXQ0n0Sq2A" webkitallowfullscreen="yes" width="700"></ifra..."

Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.

Line: 160 Column: 1 - 161
"...enter; "> <iframe allowfullscreen="yes" frameborder="0" height="395" scrolling="no" src="http://www.youtube.com/embed/pWXQ0n0Sq2A" webkitallowfullscreen="yes" width="700"></ifra..."

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

Line: 160 Column: 1 - 161
"...enter; "> <iframe allowfullscreen="yes" frameborder="0" height="395" scrolling="no" src="http://www.youtube.com/embed/pWXQ0n0Sq2A" webkitallowfullscreen="yes" width="700"></ifra..."

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

Line: 160 Column: 1 - 161
"...enter; "> <iframe allowfullscreen="yes" frameborder="0" height="395" scrolling="no" src="http://www.youtube.com/embed/pWXQ0n0Sq2A" webkitallowfullscreen="yes" width="700"></ifra..."

Attribute “addthis:url” not allowed on element “div” at this point.

Line: 190 Column: 140 - 243
"...tem even"><div class="addthis_toolbox addthis_default_style " addthis:url="http://www.chaos-math.org/fr/hometxt"><a hre..."

Attribute “fb:like:layout” not allowed on element “a” at this point.

Line: 191 Column: 1 - 119
"...lto"></a> <a href="http://www.addthis.com/bookmark.php?v=250" class="addthis_button_facebook_like" fb:like:layout="button_count"></a> <..."

Attribute “g:plusone:size” not allowed on element “a” at this point.

Line: 196 Column: 1 - 116
"...ous"></a> <a href="http://www.addthis.com/bookmark.php?v=250" class="addthis_button_google_plusone" g:plusone:size="standard"></a> <..."

End tag “article” seen, but there were open elements.

Line: 243 Column: 1 - 10
"...v> </article> </d..."

Unclosed element “div”.

Line: 198 Column: 19 - 95
"...div></div><div class="field field-name-field-audio field-type-file field-label-hidden"><div c..." Line: 189 Column: 3 - 31
"...pan> <div class="article-content"> <di..."

Warnings

Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute with the local name “xmlns:content” is not serializable as XML 1.0.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute with the local name “xmlns:foaf” is not serializable as XML 1.0.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute with the local name “xmlns:rdfs” is not serializable as XML 1.0.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute with the local name “xmlns:sioc” is not serializable as XML 1.0.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute with the local name “xmlns:sioct” is not serializable as XML 1.0.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute with the local name “xmlns:skos” is not serializable as XML 1.0.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

Attribute with the local name “xmlns:xsd” is not serializable as XML 1.0.

Line: 16 Column: 42 - 48
"... 7)]><!--><html lang="fr" dir="ltr" xmlns:fb="http://www.facebook.com/2008/fbml" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"><!--<!..."

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

Line: 63 Column: 3 - 41
"...r"> <header class="clearfix" role="banner"> ..."

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

Line: 72 Column: 5 - 80
"...der"> <nav id="block-superfish-1" class="block block-superfish" role="navigation"> <di..."

The “article” role is unnecessary for element “article”.

Line: 134 Column: 7 - 141
"...t"> <article id="article-37" class="article article-type-panel clearfix" about="/fr/home2" typeof="sioc:Item foaf:Document" role="article"> ..." Line: 147 Column: 5 - 143
"...ent"> <article id="article-38" class="article article-media-accueil clearfix" about="/fr/homeba" typeof="sioc:Item foaf:Document" role="article"> ..." Line: 184 Column: 5 - 143
"...ent"> <article id="article-36" class="article article-type-article clearfix" about="/fr/hometxt" typeof="sioc:Item foaf:Document" role="article"> ..."

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

Line: 147 Column: 5 - 143
"...ent"> <article id="article-38" class="article article-media-accueil clearfix" about="/fr/homeba" typeof="sioc:Item foaf:Document" role="article"> ..." Line: 184 Column: 5 - 143
"...ent"> <article id="article-36" class="article article-type-article clearfix" about="/fr/hometxt" typeof="sioc:Item foaf:Document" role="article"> ..." Line: 134 Column: 7 - 141
"...t"> <article id="article-37" class="article article-type-panel clearfix" about="/fr/home2" typeof="sioc:Item foaf:Document" role="article"> ..."

Attribute “addthis:url” is not serializable as XML 1.0.

Line: 190 Column: 140 - 243
"...tem even"><div class="addthis_toolbox addthis_default_style " addthis:url="http://www.chaos-math.org/fr/hometxt"><a hre..."

Attribute “fb:like:layout” is not serializable as XML 1.0.

Line: 191 Column: 1 - 119
"...lto"></a> <a href="http://www.addthis.com/bookmark.php?v=250" class="addthis_button_facebook_like" fb:like:layout="button_count"></a> <..."

Attribute “g:plusone:size” is not serializable as XML 1.0.

Line: 196 Column: 1 - 116
"...ous"></a> <a href="http://www.addthis.com/bookmark.php?v=250" class="addthis_button_google_plusone" g:plusone:size="standard"></a> <..."

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: 126 Column: 27 - 46
"... <h1 id="page-title">CHAOS<..."

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chaos-math.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.


chaos-math.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.