How to add CAPTCHA in ur site easily

To know about CAPTCHA simply visit this link

reCAPTCHA helps prevent automated abuse of your site (such as comment spam or bogus registrations) by using a CAPTCHA to ensure that only humans perform certain actions.

• It's Free! Yep, reCAPTCHA is free.
• It's Useful. Why waste the effort of your users? reCAPTCHA helps to digitize books.
• It's Accessible. reCAPTCHA has an audio test that allows blind people to freely navigate your site.
• It's Secure. Most other CAPTCHA implementations can be easily broken.
• It's Popular. Over 100,000 sites use reCAPTCHA, including household names like Facebook, Ticketmaster, and Craigslist.

To add this on ur site simply  click here

• Login to ur gmail account
• Then u will be redirected to the page where u have to fill ur site name and then tick the check box
• Click on "Create Key"
• Then u will e given a simple code add it where u find it necessary on ur site