Literally who here said anything about height
Depends on your age/location. Could be Bumble, Hinge, OkCupid, Tinder or Coffee Meets Bagel. http://www.eddie-hernandez.com/online-dating-frequently-asked-questions.html
There are many guidelines and corresponding exceptions to the rules. Read more
You forgot one........ if your significantly balding, please stop trying to hide it and just go really short or shaved bald.