Btw, I’m also looking to document the size of the Fedi in July 2019 …in terms of servers we collectively had then and registered users on the Fediverse.
Gab migrated its 1 million old users to the new Federating code with no opt in - making it briefly the largest single Activity pub server and I’m trying to give context to that. If anyone has Fedi data for July 2019 LMK…