⟩ How To Validate an Atom 1.0 Feed File?
If you created an Atom feed file yourself, and want to know if the file meets the Atom 1.0 standards or not, you can validate your feed file using the following methods:
► Using the on-line validator provided by http://validator.w3.org/feed/.
► Using the on-line validator provided by http://feedvalidator.org/.