An RSS feed is an XML file your podcast host generates. It lists every episode with title, description, audio file URL, artwork, and publish date. Apple Podcasts, Spotify, and every other app reads this file to stay updated.
Think of RSS as the source of truth for your show metadata. Your website should read from the same feed — not duplicate episode data manually.
When you publish episode 47, your host updates the feed. A podcast-aware website builder detects that change and refreshes your episode list on republish. No copy-paste, no stale show notes.
Castee stores a parsed copy of your feed for fast rendering, but always treats the live RSS URL as authoritative. Edit show artwork in your host and sync — your site updates to match.
