Age Gator is a WordPress plugin specifically designed to guard sensitive content (alcohol, gambling, x-rated, etc) from underage users. Featuring an abundance of customizable settings, the display and behavior of the overlay can be easily configured to suit a variety of use cases.
Features
Select from templates for Beer, Smoking, Vaping, Marijuana, or Adult or customize for your unique use case
Checks age of user before showing content
Edit appearance and text directly from the Customizer live preview screen
User prompt may be set to a yes/no button, age entry, date of birthday entry, or confirmation checkbox
Optional Retry button
Remember previously passed users
Set previously passed user bypass expiration time
Limit number of attempts
Ignore logged in users
Customized failure and success messages
Show age gate on all pages, all pages except those specified, or only on pages specified (Whitelist or Blacklist)
Wilcard support for setting whitelisted and blacklisted pages