Stop spam without captcha

Question

I want to stop spammers from using my site. But I find CAPTCHA very annoying. I am not just talking about the \"type the text\" type, but anything that requires the user to

Answer 1

I realize this is a rather old post, however, I came across an interesting solution called the "honey-pot captcha" that is easy to implement and doesn't require javascript:

Provide a hidden text box!

• Most spambots will gladly complete the hidden text box allowing you to politely ignore them.
• Most of your users will never even know the difference.

To prevent a user with a screen reader from falling into your trap simply label the text box "If you are human, leave blank" or something to that affect.

Tada! Non-intrusive spam-blocking! Here is the article:

http://www.campaignmonitor.com/blog/post/3817/stopping-spambots-with-two-simple-captcha-alternatives