Try one of these articles:
- Enable and disable cookies that websites use to track your preferences Websites store things like your preferences and login status in "cookies" on your computer. Learn how to manage cookies in Firefox.
- Forget button - quickly delete your browsing history on Firefox Make Firefox "Forget" your recent browsing history while leaving the rest alone. All it takes is a few clicks.
- Delete cookies to remove the information websites have stored on your computer Websites store information such as site preferences and login status in "cookies" on your computer. Learn how to delete cookies in Firefox.