Most users online ever? NO! THE COUNTER IS MESSED UP!
It seems to be taking random samplings at random hours.
Most users online ever was in the thousands.
However the random counter at random hours says
As of SEP 11 Most users online ever was 373
SEP 19 was 247
SEP 25 was 310
SEP 27 was 310
OCT 16 7:11Pm was 360
OCT 25 7:37PM 366
NOV 8 2018 2:38PM 414