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Feed URI scheme

Feed URI scheme is a topic that has captured the attention of millions of people around the world. With its wide scope and impact on society, this issue has generated intense debate both in the media and in the public sphere. From its origins to its current influence, Feed URI scheme has left an indelible mark on history, affecting individuals and communities alike. In this article, we will explore the various facets of Feed URI scheme in detail, analyzing its impact, implications, and possible solutions.

The feed URI scheme was a suggested uniform resource identifier (URI) scheme designed to facilitate subscription to web feeds; specifically, it was intended that a news aggregator be launched whenever a hyperlink to a feed URI was clicked in a web browser. The scheme was intended to flag a document in a syndication format such as Atom or RSS. The document would be typically served over HTTP.

History

In 2006 the feed URI scheme was supported by several popular desktop aggregators, including NetNewsWire, FeedDemon, Safari, and Flock. As of 2011 no effort seems to be underway to officially register the scheme at IANA.

Critics hold that the purpose of the feed URI scheme is better served by MIME types, or that it is not a user-friendly solution for the problem of feed subscription, since a user who has not installed the appropriate software will receive an unhelpful browser error message on clicking a link to a feed URI.

The feed URI scheme was suggested in 2003 in draft-obasanjo-feed-URI-scheme-01 and 02. These expired drafts were not submitted as Internet drafts; the author later contributed to the work on the atom standard.

Syntax

The syntax for a feed URI may be expressed in Backus–Naur form as follows: 

 <feed_uri> ::= "feed:" <absolute_uri> | "feed://" <authority> <path-abempty>

Specifically, a feed URI may be formed from any absolute URI (such as an absolute URL) by prepending feed, and as a special case, may be formed from any absolute http URI by replacing the initial http:// with feed://.

The <authority> and <path-abempty> constructs in the syntax are specified in RFC 3986 also known as STD 66. Here <authority> is in essence the userinfo@host:port part of the original http URI, and <path-abempty> is the following absolute path introduced by a slash "/"; it can be empty or absent. Therefore, the following are two examples of valid feed URIs: 

feed:https://example.com/entries.atom
feed://example.com/entries.atom

References

  1. ^ "Uniform Resource Identifier (URI) Schemes per RFC4395". Internet Assigned Numbers Authority. Retrieved 2011-10-17.
  2. ^ Nemerson, Evan (September 10, 2004). "On the feed:// URI scheme". Archived from the original on June 14, 2006. Retrieved 2009-06-04.
  3. ^ Dare Obasanjo (2003-12-09). "Request For Comments: The "feed" URI Scheme". 25hoursaday.com/weblog. Retrieved 2011-10-17.
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