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RSS
Last modified: Friday, February 27, 2009  

RSS is the acronym used to describe the de facto standard for the syndication of Web content. RSS is an XML-based format and while it can be used in different ways for content distribution, its most widespread usage is in distributing news headlines on the Web. A Web site that wants to allow other sites to publish some of its content creates an RSS document and registers the document with an RSS publisher. A user that can read RSS-distributed content can use the content on a different site. Syndicated content can include data such as news feeds, events listings, news stories, headlines, project updates, excerpts from discussion forums or even corporate information.

Because there are different versions of RSS, the term RSS is most frequently used as a name to mean the syndication of Web content, rather than as an acronym for its founding technology. When using the name RSS the speaker may be referring to any of the following versions of Web content syndication:

  • RDF Site Summary (RSS 0.9, RSS 1.0)
  • Rich Site Summary (RSS 0.91, RSS 1.0)
  • Really Simple Syndication (RSS 2.0)

When using the term RSS, most will use it in reference to Rich Site Summary or the previous version called RDF Site Summary. When referring to Really Simple Syndication, it will usually be called RSS 2.0, not RSS.  There are several versions of RSS available, with the most commonly implemented version being RSS 0.91.  The most current version, however, is RSS 2.0 and it is backward-compatible with RSS 0.91. RSS was originally developed by Netscape. The RSS 2.0 specification was authored by Dave Winer.

Compare with Atom, an alternative open source XML-based Web content and metadata syndication format.

See also "How to Create an RSS Feed" in the Quick Reference section of Webopedia.

Related Categories
  • Data
  • Social Media
  • Web 2.0
  • XML
  • Related Terms
  • Atom
  • blog
  • feed
  • feed aggregator
  • feed validator
  • metadata
  • podcasting
  • RDF
  • RSS 2.0
  • RSS channel
  • RSS description
  • RSS link
  • RSS Optional Channel Elements
  • RSS title
  • RSS title element
  • syndication
  • Web
  • Web 2.0
  • Web page
  • XML
  • Barcode Scanners
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    Related Links

    webreference.com 
    A comprehensive collection of over 2400 hand-picked links of interest to Web developers, including recent articles relating to Web development and an extensive how to section.

    FeedForAll & FeedForAll Mac Software
    FeedForAll allows users to easily create, edit and publish RSS feeds.

    RDF Site Summary (RSS) 1.0
    RDF Site Summary (RSS) is a lightweight multipurpose extensible metadata description and syndication format. RSS is an XML application, conforms to the W3C's RDF Specification and is extensible via XML-namespace and/or RDF based modularization.

    RSS Specifications
    According to RSS v1 specification, RDF Site Summary (RSS) is a lightweight multipurpose extensible metadata description and syndication format. RSS is an XML application, conforms to the W3C's RDF specification and is extensible via XML .

    Webopedia Quick Reference: How to Create an RSS Feed
    Here we will show you the basic steps to creating an RSS feed, using Webopedia's most recently published articles as our feed headlines. The example uses only the basic tags required to make it work.


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