In this guide explains out the process in kicking Alt’s followed by AFK’d Players. The process shown bellow

1. Has the TPS been lower than 16 for longer than 2 minutes?
2. If yes, kick staff alts.
3. Wait 2m
4. TPS still below 19? Kick all other alts.
5. Wait 2m
6. TPS still below 19? Kick all AFK

Command to run when kicking due to Low TPS:

/kick -s[player name] Kicked due to strain on server performance.