I don't know about being back, but it certainly isn't dead. A few years back, I used to get at least 10k readers a day. That number went down to less than 100 a day at it's lowest, I was writing 10 entries a year at most. Last year, I wrote just 4. One thing I failed to notice was that RSS was still active. So this year, I started consistently contributing, over 150 so far, and I see RSS picking up right where it lef…
I use my own server-side tracking to count them - I look out for the user-agent from feed software like Feedly and pull the number out of it:
Feedly/1.0 (+https://feedly.com/poller.html; 694 subscribers; )
Here's my code for that: https://github.com/simonw/simonwillisonblog/blob/main/feedst...