How to Check RSS Feed

If you are new to RSS and not sure if you do everything correctly, check your feed online using the following free RSS validators.

Feed Validator
Probably the best service for checking feeds.

RSS 0.9x Validator
An online validator for UserLand's 0.9x RSS.

W3C RDF Validation Service
You can either paste in your RDF file or type in a URI.

Experimental RSS 1.0 Validator
Use this online validator to validate your RSS 1.0 feeds.

Redland RSS 1.0 Validator and Viewer
This is an easy validator to use that validates RSS 1.0 files.

http://www.nobodylikesonions.com/feedcheck/
Validator for Podcast feeds (with iTunes specific namespace tag support).