Do you sell goods that children should not be able to buy, see, read about? You have an adult site and the laws from your country tells that you should check for visitors age?
Whatever your needs are, this module can check for your visitor age and let him browse your site or redirect him to the page you choose.

This extension is a MUST for Joomla powered shopping carts!

Features :
Nova Age Check is an extension that can be set to ask your visitors about their birthday. It then calculates the visitors age and if they are not major will get redirected to some other page/site. You can set the age limit and have multiple forms.
For the verified adults, you can set a cookie and let the user browser your site without showing the verification page again.