As this sphere of operation is pretty sensitive the site’s reputation plays a significant role and you should not ignore it.
Take your time to read the users’ reviews but keep in mind that as any other services places to hook up have their admirers and haters.
It could be an unusual interface, an interesting approach to ranking users, an appealing bonus program, etc.
Those vendors who spend their time on thinking about customers are likely to provide you with high-quality services.
Your privacy and security are your own responsibilities and you should be aware of the risks your take when you share any explicit content.