I have 2 verification task added to the registration form of my forum:
1. Matching photos from www.peoplesign.com
2. The default Image Captcha of SMF.
In spite of this, I sometimes have suspicious sign-ups, though since I added both tasks, they are not...
Is it possible to determine whether suspicious sign-ups are bots or humans?
1. Matching photos from www.peoplesign.com
2. The default Image Captcha of SMF.
In spite of this, I sometimes have suspicious sign-ups, though since I added both tasks, they are not...
Is it possible to determine whether suspicious sign-ups are bots or humans?
