Syndication protocols

enero 8, 2008 de 9:09 am | Publicado en J.Abaitua | Deja un comentario

RSS, Atom and Opml


What does RSS fefer to?

The initials “RSS” are used to refer to the following formats:

  • Really Simple Syndication (RSS 2.0)
  • RDF Site Summary (RSS 1.0 and RSS 0.90)
  • Rich Site Summary (RSS 0.91)

RSS is colloquially known as Really Simple Syndication. It consists on a family of Web feed formats used to publish frequently updated content such as blog entries, news headlines or podcasts. A feed or web feed is an RSS document which contains either a summary of content from an associated web site or the full text.

Why is RSS very used among people?
Because it gives people the possibility to keep in touch with their favorite web sites.


The name Atom applies to a pair of related standards. The Atom Syndication Format is an XML language used for web feeds, while the Atom Publishing Protocol (referred to as AtomPub for short) is a simple HTTP-based protocol for creating and updating web resources.

The development of Atom was motivated by the existence of many incompatible versions of the RSS syndication format, all of which had shortcomings, and the poor interoperability, of XML-RPC-based publishing protocols.


What is OPML?

OPML is the Outline Processor Markup Language. It is an XML format for outlines. In the beginning, it was developed by Radio UserLand as a native file format for an outliner application. Till then, it has been adopted for other uses. Besides, it is the most common being to exchange lists of web feeds between web feed aggregators.


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