Feeds should not be served with the '
type/subtype' media type
The web server is reporting an unexpected MIME type for a feed. Although we tried to parse it as a feed, aggregators may well report this as an error and act as if the user had pointed them at something other than a feed.
RSS feeds should be served as
(RSS 1.0 is an RDF format, so it may be served as
Atom feeds should use
Alternatively, for compatibility with widely-deployed web browsers, any of
these feeds can use one of the more
general XML types - preferably
Use the appropriate MIME type for your feed.
Not clear? Disagree?
You might be able to find help in one of these fine resources.