I mean the site where you can see what someone did with your server, for example:
You added plugin "IcJukebox"
Subuser Dany228 deleted file plugins/icjukebox.jar
Subuser maxI1111 reinstalled server to Spigot 1.13.2
You renamed server from "My server" to "Minecraft Survival"
Subuser ProAddmin1 changed file plugins/icJukebox/config.yml
Subuser Minecraft1213 changed server icon
With this we can see what we did with our server, or what someone did. In some server are many subusers and one of they can harm server (crash, delete files and etc).
Why not?