XML

XML is the underlying markup format RSS feeds are built on, and understanding its basic rules — well-formed tags, namespace declarations, character encoding — helps explain why some feeds behave predictably in auto-posting tools while others produce missing images, broken characters, or dropped items. This tag covers the XML-level mechanics behind RSS and Atom feeds.

RSS Namespaces Explained: What media:content, itunes:, and dc: Tags Mean for Auto-Posting

Updated: 2026-09-25

If you've ever opened your own RSS feed in a text editor and seen tags like media:content, itunes:image, or dc:creator mixed in...