Feed Validator

This service tests the validity of a Really Simple Syndication feed, checking to see that it follows the rules of the RSS specification. For our advice on how to implement RSS, read the RSS Best Practices Profile.

Enter the URL of an RSS feed:

The validator was developed as an open source project by Sam Ruby, Mark Pilgrim, Joseph Walton and Phil Ringnalda. It supports Really Simple Syndication and two other syndication formats in wide usage today: Atom and RDF Site Summary.