i wanna be more active online pls help me any advice plssss

i wanna be more active online but im scared that ill just look schizophrenic talking to nobody lmfaoooo

how do you start interacting in online spaces? im literally talking like at all in general, i am not in any fandoms and i think it would be fun to start taking part in them instead of just observing kinda 

i think one of the reasons i dont really interact w fandoms and stuff is because im scared people ik irl will see me and idkkkk its kinda embarassing to comment on stuff or get involved and get no responses bc then you just look schizophrenic lolz