RSS in the Wild

http://creativecommons.org/licenses/by-sa/2.5/ RSS in the Wild <p>In the real world, <a class="wikilink" href="http://swik.net/RSS"><span class="caps">RSS</span></a> doesn’t conform to a single specified set of elements and attributes: instead there are <a class="wikilink" href="http://swik.net/RSS/RSS+Extensions">increasing numbers of extensions</a> and variations on the format.</p> <h1>Channel Elements</h1> <h2>Standard Elements</h2> <h4>Most Common</h4> <ul> <li>title</li> <li>description</li> <li>link</li> </ul> <h4>Others</h4> <ul> <li>pubDate (ex: Sat, 11 Feb 2006 11:04:58 -0800)</li> <li>lastBuildDate (ex: Sat, 11 Feb 2006 11:04:58 -0800)</li> <li>category</li> <li>generator</li> <li>image <ul> <li>url</li> <li>title</li> <li>link</li> </ul> </li> <li>language</li> <li>webMaster</li> <li>copyright</li> <li>docs</li> <li>ttl</li> <li>managingEditor</li> </ul> <h2>Extensions</h2> <h4><a rel='nofollow' href="http://purl.org/rss/1.0/modules/syndication/"><span class="caps">RDF</span> Syndication Module</a></h4> <ul> <li>sy:updatePeriod ( ‘hourly’ | ‘daily’ | ‘weekly’ | ‘monthly’ | ‘yearly’ ) (indicates update period)</li> <li>sy:updateFrequency (ex: “1”) (indicates frequency within the updatePeriod)</li> <li>sy:updateBase (ex: “2000-01-01T12:00+00:00”) (yyyy-mm-ddThh:mm)</li> </ul> <h4><a rel='nofollow' href="http://web.resource.org/cc/">Creative Commons</a></h4> <ul> <li>cc:license [rdf:resource]</li> </ul> <h4><a rel='nofollow' href="http://webns.net/mvcb/">Admin</a></h4> <ul> <li>admin:generatorAgent rdf:resource=”http://homepage.com” (indicates homepage/source of rss feed)</li> </ul> <h4><a rel='nofollow' href="http://api.technorati.com/dtd/tapi-002.xml">Technorati <span class="caps">API</span></a></h4> <ul> <li>tapi:inboundblogs</li> <li>tapi:inboundlinks</li> </ul> <h4><a rel='nofollow' href="http://www.apple.com/itunes/podcasts/techspecs.html#_Toc526931673">iTunes <span class="caps">RSS</span> Tags</a></h4> <ul> <li>itunes:subtitle</li> <li>itunes:author</li> <li>itunes:summary</li> <li>itunes:owner <ul> <li>itunes:name</li> <li>itunes:email</li> </ul> </li> <li>itunes:image [href]</li> <li>itunes:category [text] <ul> <li><a href="text">itunes:category</a></li> </ul> </li> <li>itunes:block</li> <li>itunes:explicit</li> </ul> <h1>Item Elements</h1> <h2>Standard Elements</h2> <h4>Most Common</h4> <ul> <li>title</li> <li>description</li> <li>link</li> </ul> <h4>Others</h4> <ul> <li>category [domain]</li> <li>guid [isPermalink]</li> <li>source [url]</li> <li>pubDate (ex: ‘Sun, 15 May 2005 22:41:44 <span class="caps">GMT</span>’)</li> <li>enclosure <a href="length">url</a> [type]</li> <li>comments</li> </ul> <h2>Extensions</h2> <h4><a rel='nofollow' href="http://purl.org/dc/elements/1.1/">Dublincore</a></h4> <ul> <li>dc:subject – space separated categories (<a class="wikilink" href="http://swik.net/del.icio.us">del.icio.us</a>, <a rel='nofollow' href="http://macslash.org">Macslash</a>)</li> <li>dc:date – <span class="caps">ISO</span>-something something. (Ex: “2006-02-10T08:00:00-08:00”)</li> <li>dc:publisher</li> <li>dc:creator</li> </ul> <h4><a rel='nofollow' href="http://web.resource.org/rss/1.0/modules/taxonomy/"><span class="caps">RSS</span> Module Taxonomy</a></h4> <ul> <li>taxo:topics (seen in <a class="wikilink" href="http://swik.net/del.icio.us">del.icio.us</a>) <ul> <li>rdf:Bag <ul> <li>rdf:li [resource]</li> </ul></li> </ul></li> </ul> <h4><a rel='nofollow' href="http://search.yahoo.com/mrss">Media <span class="caps">RSS</span></a> (seen in <a class="wikilink" href="http://swik.net/Flickr">Flickr</a>)</h4> <ul> <li>media:content <a href="type">url</a> <a href="width">height</a></li> <li>media:title</li> <li>media:text [type]</li> <li>media:thumbnail <a href="height">url</a> [width]</li> <li>media:credit [role]</li> <li>media:category [scheme] (space separated list of tags)</li> </ul> <h4><a rel='nofollow' href="http://wellformedweb.org/news/wfw_namespace_elements/">The Well-Formed Web</a></h4> <ul> <li>wfw:comment (commentURL for <a rel='nofollow' href="http://wellformedweb.org/story/9">Comment <span class="caps">API</span></a>)</li> <li>wfw:commentRss (<a class="wikilink" href="http://swik.net/URI"><span class="caps">URI</span></a> of the <span class="caps">RSS</span> feed for comments on the item)</li> </ul> <h4><a rel='nofollow' href="http://www.apple.com/itunes/podcasts/techspecs.html#_Toc526931673">iTunes <span class="caps">RSS</span> Tags</a></h4> <ul> <li>itunes:author</li> <li>itunes:subtitle</li> <li>itunes:summary</li> <li>itunes:duration (ex: “7:04”) (minutes:hours)</li> <li>itunes:keywords (comma separated listed of categories)</li> <li>itunes:block</li> <li>itunes:explicit</li> </ul> <h4><a rel='nofollow' href="http://api.technorati.com/dtd/tapi-002.xml">Technorati <span class="caps">API</span></a></h4> <ul> <li>tapi:linkcreated (ex “2006-02-13 13:08:15”)</li> <li>tapi:inboundblogs</li> <li>tapi:inboundlinks</li> </ul> RSS Mon, 13 Feb 2006 12:49:28 -0800 Sat, 18 Feb 2006 15:21:38 -0800