![](https://slrpnk.net/pictrs/image/488cd980-b7a8-40c2-870f-7af8ec40eff4.jpeg)
![](https://lemmy.world/pictrs/image/eb9cfeb5-4eb5-4b1b-a75c-8d9e04c3f856.png)
The typical ratio is 1:9:90, meaning only 10% are actively posting or commenting. The Lemmy numbers fit to that surprisingly well, although you would think a few more lurkers would at least vote sometimes (which Lemmy reports as active in the monthly stats). My guess is that the lurkers don’t even bother to sign in.
Because of AI bots ignoring robots.txt (especially when you don’t explicitly mention their user-agent and rather use a * wildcard) more and more people are implementing exactly that and I wouldn’t be surprised if that is what triggered the need to implement robots.txt support for FediDB.