I still have 'username', 'email', and 'password' fields in the form but I hide those elements with CSS, which no scraper is going to bother parsing. When the re

I still have 'username', 'email', and 'password' fields in the form but I hide those elements with CSS, which no scraper is going to bother parsing. When the registration form is submitted the account is essentially hellbanned, they can 'activate' the account via the normal email confirmation process but anything they post disappears into the ether. I'm catching about 100 spam accounts a day with this technique[1] and the ones that I miss are fairly easy to detect through analysis once they start using their account. [1] http://i.imgur.com/kdp7Q.png http://i.imgur.com/kdp7Q.png