Slate Star Codex and Astral Codex Ten should probably be combined. Also, it's odd that while ACX's author is listed as "Scott Alexander" (his long-time pseudonym), SSC's is listed as "anonymous." He went by Scott Alexander even in the days of SSC.
Yeah, that's a good point. I was trying to be respectful of the author's wishes around pseudonymity, as it seemed intentional that when he lost anonymity, he switched domains, so I didn't want to "out" the author, but it's kind of silly since it's very public now.
I think you're right that it makes sense to identify him by his pseudonym rather than just "Anonymous" so I've updated it: