3
votes
4answers
248 views

Removing CAPTCHA is harmful for my forms?

I have some services on my site that developed by PHP , it seems having CAPTCHA in my registration form is decreasing registering users , I tend to remove CAPTCHA at least on my registering form , is ...
1
vote
1answer
62 views

Problematic using Captcha on billing page

I have simple captcha on user page. I want make it refresh if user input incorrect captcha, I just wanna ask Should I do it or I just add a simple button to refresh it.