RSS has been released in many different versions in the last 10 years. Here we will give you detail about three most commonly used RSS version.
RSS v0.91 was originally released by Netscape in 1999.
RSS v0.91 does not have RDF header.
RSS v0.91 is called Rich Site Summary (RSS).
RSS v0.91 has features from Dave Winer's RSS version scriptingNews 2.0b1.
RSS v0.91 has support for international languages and encodings.
RSS v0.91 has support for image height and width definitions.
RSS v0.91 has support for description text for headlines.
Check complete set of - RSS v0.91 tags and syntax
RSS 1.0 is the only version that was developed using the W3C RDF (Resource Description Framework) standard. This version of RSS is called RDF Site Summary.
RSS 0.91 and RSS 2.0 are easier to understand than RSS 1.0.
Check complete set of - RSS v1.0 tags and syntax
RSS 2.0/2.01 is very similar to RSS 0.9x. RSS 2.0/2.01 adds namespace modules and six optional elements to RSS 0.9x.
RSS 2.0/2.01 specification was written by Dave Winer of Radio UserLand. The copyright was later transferred to Harvard University.
Check complete set of - RSS v2.0 tags and syntax