Good service is paramount. As long as the betting site offers good service, it grows like a snowball. Positive comments and friend referrals are the most effective advertising.
A good name is hard to find. Because all domains are already taken. Deriving a name like xxxbets will suffice.
Well, all factors play some role! There are a bunch of crypto casinos here on the forum with great service, and attractive names, so what makes the difference where we will play?! Top casinos need to keep the high level from all angles... site functionality, name, promotions, marketing, VIP level, support speed, etc... if one of these is bad it will drag down others, and the complete feeling about the casino will be mostly negative for players who experience something bad in any way!