--- title: Syndication research notes --- I am currently plowing through the Wayback Machine to look for obsolete syndication formats. This page is just here to list a lot of links that I still need to check out, maybe to get even more specs in this wiki. * [Open Content Specification](https://web.archive.org/web/20010625113705/http://internetalchemy.org/ocs/index.html) * [RSS 3.0](http://www.aaronsw.com/2002/rss30) * [RSS 1.0 proposed modules](https://web.archive.org/web/20090603023528/http://web.resource.org/rss/1.0/modules/proposed.html) * [Epistula Syndication Format](https://web.archive.org/web/20060826184417/http://www.aquarionics.com/article/name/esf) * [eXchangeable Faceted Metadata Language](https://web.archive.org/web/20060830145845/http://www.xfml.org/) * [Japanese internet software of the 2000s](https://hedgedoc.envs.net/s/LjxoGg65g#): a Markdown document I'm using to list the huge mess of Japanese syndication and blogging before they settled for international standards ## XML namespaces Various namespaces that can be found mostly on RSS/Atom feeds, and that I want to look into at a little bit more. I'll probably post about those on [RSRSSS](/rsrsss/). * [Feed Access Control 1.0](https://web.archive.org/web/20101215152856/http://www.bloglines.com/about/specs/fac-1.0) `xmlns:access="http://www.bloglines.com/about/specs/fac-1.0"` * [RSS 1.0 Administrative Module](https://web.resource.org/rss/1.0/modules/admin/) `xmlns:admin="http://webns.net/mvcb/"` * [RSS 1.0 Aggregation Module](https://web.resource.org/rss/1.0/modules/aggregation/) `xmlns:ag="http://purl.org/rss/1.0/modules/aggregation/"` * [RSS 1.0 Annotation Module](https://web.resource.org/rss/1.0/modules/annotation/) `xmlns:annotate="http://purl.org/rss/1.0/modules/annotate/"` * [Atom Publishing Protocol](https://www.rfc-editor.org/rfc/rfc5023) `xmlns:app="http://www.w3.org/2007/app"` * [RFC 6721](https://www.rfc-editor.org/rfc/rfc6721.html) `xmlns:at="http://purl.org/atompub/tombstones/1.0"` * [RSS 1.0 Audio Module](https://web.resource.org/rss/1.0/modules/audio/) `xmlns:audio="http://media.tangent.org/rss/1.0/"` * [blogChannel RSS Module](http://backend.userland.com/blogChannelModule) `xmlns:blogChannel="http://backend.userland.com/blogChannelModule"` * [Blogger](https://developers.google.com/blogger/docs/2.0/reference) `xmlns:blogger="http://schemas.google.com/blogger/2008"` * [Creative Commons RDF](https://web.resource.org/cc/) `xmlns:cc="http://web.resource.org/cc/"` * [Microsoft Simple List Extensions](https://docs.microsoft.com/en-us/previous-versions/windows/desktop/gg427659(v=vs.85)) `xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005"` * [RSS 1.0 Company Module](https://web.resource.org/rss/1.0/modules/company/) `xmlns:company="http://purl.org/rss/1.0/modules/company"` * [RSS 1.0 Content Module](https://web.resource.org/rss/1.0/modules/content/) `xmlns:content="http://purl.org/rss/1.0/modules/content/"` * [The Conversations Network](https://web.archive.org/web/20130729204530/http://www.conversationsnetwork.org/rssnamespace-10) `xmlns:conversationsNetwork="http://conversationsnetwork.org/rssNamespace-1.0/"` * [RSS 1.0 changedPage Module](https://web.resource.org/rss/1.0/modules/changedpage/) `xmlns:cp="http://my.theinfo.org/changed/1.0/rss/"` * [creativeCommons RSS Module](http://backend.userland.com/creativeCommonsRSSModule) `xmlns:creativeCommons="http://backend.userland.com/creativeCommonsRssModule"` * [Dublin Core](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/) `xmlns:dc="http://purl.org/dc/elements/1.1/"` * [Dublin Core Metadata Terms](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/) `xmlns:dcterms="http://purl.org/dc/terms/1.1/"` * [Dailymotion RSS](https://www.dailymotion.com/dmrss) `xmlns:dm="http://www.dailymotion.com/dmrss/"` * [RSS 1.0 Email Module](https://web.resource.org/rss/1.0/modules/email/) `xmlns:email="http://purl.org/rss/1.0/modules/email/"` * [Easy News Topics RSS 2.0 Module](https://web.archive.org/web/20160823230434/http://matt.blogs.it:80/specs/ENT/1.0/) `xmlns:ent="http://www.purl.org/NET/ENT/1.0/"` * [RSS 1.0 Event Module](https://web.resource.org/rss/1.0/modules/event/) `xmlns:ev="http://purl.org/rss/1.0/modules/event/"` * FeedBurner extensions (`origLink` and `origEnclosureLink`) `xmlns:feedburner="http://rssnamespace.org/feedburner/ext/1.0"` * [FeedPress](https://feedpress.com/xmlns/) `xmlns:feedpress="https://feedpress.com/xmlns/"` * [RFC 5005](https://www.rfc-editor.org/rfc/rfc5005) `xmlns:fh="http://purl.org/syndication/history/1.0"` * [FOAF 0.1](http://xmlns.com/foaf/0.1/) `xmlns:foaf="http://xmlns.com/foaf/0.1/"` * [Google Merchant Center product feed](https://support.google.com/merchants/topic/2473799) `xmlns:g="http://base.google.com/ns/1.0"` * [Google Data](https://developers.google.com/gdata/docs/2.0/elements) `xmlns:gd="http://schemas.google.com/g/2005"` * [Basic Geo Vocabulary](https://www.w3.org/2003/01/geo/) `xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#"` * [GeoRSS](https://www.ogc.org/standards/georss) `xmlns:georss="http://www.georss.org/georss"` * [GeoURL](https://web.archive.org/web/20070323023116/http://geourl.org:80/news/2005/04/26/rssplus.html) `xmlns:geourl="http://geourl.org/rss/module/"` * [Geography Markup Language](https://www.ogc.org/standards/gml) `xmlns:gml="http://www.opengis.net/gml"` * [Google Play Podcasts](https://www.google.com/schemas/play-podcasts/1.0/) `xmlns:googleplay="https://www.google.com/schemas/play-podcasts/1.0/"` * [Google KML 2.2 extensions](https://developers.google.com/kml/documentation/kmlreference#kmlextensions) `xmlns:gx="http://www.google.com/kml/ext/2.2"` * [ICBM RSS Module](https://web.archive.org/web/20130307033513/http://postneo.com/icbm/) `xmlns:icbm="http://postneo.com/icbm"` * [RSS 1.0 Image Module](https://web.resource.org/rss/1.0/modules/image/) `xmlns:image="http://purl.org/rss/1.0/modules/image/"` * [includedComments RSS Module](https://web.archive.org/web/20050409060547/http://www.laudably.com/rss2-comments/1_0-proposal-2.html) `xmlns:includedComments="http://www.laudably.com/rss2-comments"` * [LiveJournal indexing extension](https://web.archive.org/web/20170801185513/http://www.livejournal.com/doc/server/ljp.int.xml_userdata.data_formats.html) `xmlns:indexing="urn:atom-extension:indexing"` * [Apple iTunes Podcast RSS extensions](https://help.apple.com/itc/podcasts_connect/#/itcb54353390) `xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd"` * [Keyhole Markup Language 2.0](https://web.archive.org/web/20060715112120/http://www.keyhole.com:80/kml/docs/Google_Earth_KML.pdf) `xmlns:kml20="http://earth.google.com/kml/2.0"` * [Keyhole Markup Language 2.1](https://portal.ogc.org/files/?artifact_id=21469) `xmlns:kml21="http://earth.google.com/kml/2.1"` * [Keyhole Markup Language 2.2](https://portal.ogc.org/files/?artifact_id=27810) `xmlns:kml22="http://www.opengis.net/kml/2.2"` * [RSS 1.0 Link Module](https://web.resource.org/rss/1.0/modules/link/) `xmlns:l="http://purl.org/rss/1.0/modules/link/"` * [Windows Live Spaces](http://web.archive.org/web/20081205022833im_/http://a-patty.spaces.live.com/feed.rss) `xmlns:live="http://schemas.microsoft.com/live/spaces/2006/rss"` * [MathML](https://www.w3.org/TR/MathML/) `xmlns:mathml="http://www.w3.org/1998/Math/MathML"` * [MediaRSS](https://www.rssboard.org/media-rss) `xmlns:media="http://search.yahoo.com/mrss/"` * [MSDN](https://github.com/openlink/virtuoso-opensource/blob/151a02ce65b64e3bd2b997a485146cc26fa50d44/binsrc/tutorial/xml/xq_s_2a/rss1.xml#L24) `xmlns:msdn="http://msdn.microsoft.com/aboutmsdn/rss/"` * [MSDN Domains](https://github.com/openlink/virtuoso-opensource/blob/151a02ce65b64e3bd2b997a485146cc26fa50d44/binsrc/tutorial/xml/xq_s_2a/rss1.xml#L24) `xmlns:msdn="http://msdn.microsoft.com/aboutmsdn/rss/domains"` * [MSN Spaces](http://web.archive.org/web/20081205022833im_/http://a-patty.spaces.live.com/feed.rss) `xmlns:msn="http://schemas.microsoft.com/msn/spaces/2005/rss"` * [OpenGraph](https://ogp.me/) `xmlns:og="http://ogp.me/ns#"` * [OpenID Authentication 2.0 extension for XRDS](https://openid.net/specs/openid-authentication-2_0.html) `xmlns:openid="http://openid.net/xmlns/1.0"` * [OpenSearch](https://github.com/dewitt/opensearch/) `xmlns:opensearch="http://a9.com/-/spec/opensearch/1.1/"` * [OpenSearch RSS 1.0](https://web.archive.org/web/20121127081525/http://opensearch.a9.com:80/spec/opensearchrss/1.0/) `xmlns:opensearch10="http://a9.com/-/spec/opensearchrss/1.0/"` * [RawVoice RSS](https://rawvoice.com/tools-and-resources/rawvoice-rss-2-0-module-xmlns-namespace-rss2/) `xmlns:rawvoice="http://www.rawvoice.com/rawvoiceRssModule/"` * [Atom Ranking Extensions](https://datatracker.ietf.org/doc/html/draft-snell-atompub-feed-index-10) `xmlns:re="http://purl.org/atompub/rank/1.0"` * [RSS 1.0 Reference Module](https://web.resource.org/rss/1.0/modules/reference/) `xmlns:ref="http://purl.org/rss/1.0/modules/reference/"` * [RSS 1.0 Rich Equivalents Module](https://web.resource.org/rss/1.0/modules/richequiv/) `xmlns:reqv="http://purl.org/rss/1.0/modules/richequiv/"` * [Resources of a Resource 0.1](https://rorweb.com/) `xmlns:ror="http://rorweb.com/0.1/"` * [Review Module 0.2](http://web.archive.org/web/20130402010004/http://www.pmbrowser.info:80/rvw/0.2/) `xmlns:rvw="http://purl.org/NET/RVW/0.2/"` * [RSS 1.0 Search Module](https://web.resource.org/rss/1.0/modules/search/) `xmlns:search="http://purl.org/rss/1.0/modules/search/"` * [SimpleGallery for DotNetNuke](https://github.com/ventrian/Simple-Gallery/blob/062d18b535126bd7104b47dc79cfc17897018b26/RSS.aspx.vb#L317) `xmlns:simplegallery="http://www.example.com/simplegallery"` * [Semantically-Interlinked Online Communities Core](http://rdfs.org/sioc/spec/) `xmlns:sioc="http://rdfs.org/sioc/ns#"` * [Semantically-Interlinked Online Communities Types Module](http://rdfs.org/sioc/spec/#sec-modules-types) `xmlns:sioct="http://rdfs.org/sioc/types#"` * [Simple Knowledge Organization System](https://www.w3.org/2009/08/skos-reference/skos.html) `xmlns:skos="http://www.w3.org/2004/02/skos/core#"` * [RSS 1.0 Slash Module](https://web.resource.org/rss/1.0/modules/slash/) `xmlns:slash="http://purl.org/rss/1.0/modules/slash/"` * [Scripting.com Source namespace](http://source.scripting.com/) `xmlns:source="http://source.scripting.com/"` * [RSS 1.0 Service Status Module](https://web.resource.org/rss/1.0/modules/servicestatus/) `xmlns:ss="http://purl.org/rss/1.0/modules/servicestatus/"` * [RSS 2.0 Simple Semantic Resolution](https://web.archive.org/web/20070228150045/http://dannyayers.com:88/xmlns/ssr/index.htm) `xmlns:ssr="http://purl.org/stuff/ssr"` * [RSS 1.0 Streaming Module](https://web.resource.org/rss/1.0/modules/streaming/) `xmlns:str="http://hacks.benhammersley.com/rss/streaming/"` * [RSS 1.0 Subscription Module](https://web.resource.org/rss/1.0/modules/subscription/) `xmlns:sub="http://purl.org/rss/1.0/modules/subscription/"` * [FeedSync](https://web.archive.org/web/20160307213946/http://feedsyncsamples.codeplex.com/wikipage?title=FeedSync%20for%20Atom%20and%20RSS%20%28v1.0%29%20specification) `xmlns:sx="http://feedsync.org/2007/feedsync"` * [Microsoft Simple Sharing Extensions](https://docs.microsoft.com/en-us/previous-versions/windows/desktop/gg427657(v=vs.85)) `xmlns:sx="https://www.microsoft.com/schemas/sse"` * [RSS 1.0 Syndication Module](https://web.resource.org/rss/1.0/modules/syndication/) `xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"` * [RSS 1.0 Taxonomy Module](https://web.resource.org/rss/1.0/modules/taxonomy/) `xmlns:taxo="http://purl.org/rss/1.0/modules/taxonomy/"` * [RSS 1.0 Threading Module](https://web.resource.org/rss/1.0/modules/threading/) `xmlns:thr="http://purl.org/rss/1.0/modules/threading/"` * [RFC 4685](https://www.rfc-editor.org/rfc/rfc4685) `xmlns:thr="http://purl.org/syndication/thread/1.0"` * [MovableType TrackBack](https://web.archive.org/web/20091111093510/http://madskills.com/public/xml/rss/module/trackback/) `xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/"` * [RSS-TV](https://web.archive.org/web/20140814065423/http://www.rss-tv.org/documentation.html) `xmlns:tv="http://www.rss-tv.org/rss/tv1.0"` * [Webfeeds](http://webfeeds.org/rss/1.0) `xmlns:webfeeds="http://webfeeds.org/rss/1.0"` * [Well-formed Web Comment API](https://web.archive.org/web/20160209080519/http://bitworking.org/news/2012/08/wfw.html) `xmlns:wfw="http://wellformedweb.org/CommentAPI/"` * [RSS 1.0 Wiki Module](http://meatballwiki.org/wiki/ModWiki) `xmlns:wiki="http://purl.org/rss/1.0/modules/wiki/"` * [XML Linking Language (XLink)](https://www.w3.org/TR/xlink/) `xmlns:xlink="http://www.w3.org/1999/xlink"` * [Yahoo! Weather extensions](https://github.com/michalliu/sourcebeautify.vim/blob/6c5867a8322b04a3d2bf72c26ec1c5bc2fa8f676/tests/xml.expected) `xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0"`