Im looking for the best webssite to promote a bitcoin website?
Mellowads.com
You can display you own gif banner
This is a very exensive you can publish you webssite and pay like 1000 click per 0.06 o more
Coinad.com
you can display your own banner
Is very cheap
Btclick.com
very cheap but you cant display your banner!
Tell me you history!
Mate, better suggest good site and most visited one. So for me I preferred to advertise at google ads and facebook or twitter because it is more viewed site by people. Unlike what OP is recommending.