Usually RSS stands for "feed", so both RSS and Atom. I personally prefer RSS format for the feeds I make because Atom feels like premature optimisation, and I

Usually RSS stands for "feed", so both RSS and Atom. I personally prefer RSS format for the feeds I make because Atom feels like premature optimisation, and I do not really comprehend UUIDs, and do not understand why I have to bother with them given a URL is a unique identifier anyways (i.e. https://example.com/a/b/c https://example.com/a/b/c points to one thing and one thing only at any given time).