Online dating requires above average looks, REALLY good professional profile photos (no selfies), and massive volume.
Online dating requires serious work. You don't just put up a profile and start getting dates. You gotta game it more than real life.
Online girls are screening you almost entirely on looks because they have nothing else to go by. Your personality has no chance to charm them. In real life you can hit much higher outside your league with charm and boldness. This cannot be done online. The girl has to decide whether she will sleep with you purely based on your profile photo in 1 second.
If you're turning online because you're too lazy to do it in real life, chances are your results will be bad. Laziness is not a viable strategy for finding attractive females.
If you have a classically handsome appearance, you can do well online. If not...