Validators
Online validators can check to ensure your feeds are correctly formed:
- http://feeds.archive.org/validator
The most up-to-date validator, optimized for RSS 2.0
- http://www.ldodds.com/rss_validator/1.0/validator.html
Leigh Dodd’s experimental RSS 1.0 validator
- http://aggregator.userland.com/validator
Userland Software’s RSS validator
- http://www.w3.org/RDF/Validator
The W3C’s RDF validator
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