What is the best website or way to do a background check on someone that you met online

[Anonymous]

Anonymous wrote:Asking because I am going to be dating and these guys want my address but I'd like to do a background check just to make sure they're not crazy. And for reference I know most of The woman on here are happy to give their real name address and everything else but I'm a little more private. I give my nickname sometimes a fake address etc until I actually know the person and meet them. Any suggestions for a good website that does background checks?

So, you act sketchy but want them to be squeaky clean when you vet them?