Threadiverse: Tracking the Growth of Lemmy and Kbin
fedidb.org
fedidb.org
Personally I've been pretty happy using Kbin as a substitute, and I contribute a little more than I usually would in the hopes of attracting more mass to the Fediverse, like some kind of Federated gravity.
Although in this optimistic future I'm worried that search engines will be much worse, with a completely closed off Reddit (like e.g. Facebook groups) and a fragmented anti-crawler threadiverse (like the fediverse now).