Ghost Member?

[spacedoge402]

Every time I go on the forums, and look at the members online, I count a number, but the counter says that there is one extra member online. I don't know what this is about, so please explain
For evidence:

(I don't know why, but it now says two extra members are online)

 

[Altaïr]

Ghosts??? Guests I suppose... Guests are people that browse the forum without being logged in, probably because they didn't take time to create an account.

Now if there are ghost members I don't know for those

 

[Mars Pathfinder]

Every time I go on the forums, and look at the members online, I count a number, but the counter says that there is one extra member online. I don't know what this is about, so please explain
For evidence:
View attachment 92051
(I don't know why, but it now says two extra members are online)

Those ghost aren't ghost, they're members that turned off their online status but still there.

You can do it on your settings if you want.