The
Feed icon is for indicating that a
web feed is available on a
web page. It was originally invented for the use of
RSS, but it is also common for
Atom and other web feeds now.
The
icon is used in
aggregators,
web browsers
address bar to indicate avability of a web feed, as well as on web pages to subscribe directly.
RSS formats are specified using
XML, a generic specification for the creation of data formats. Although RSS formats have evolved since March 1999, the RSS icon (") first gained widespread use between 2005 and 2006.