This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

how to avoid unwanted sites in mozilla firefox

more options

How to avoid unwanted sites in mozilla firefox

How to avoid unwanted sites in mozilla firefox

All Replies (1)

more options

The simplest time-saving extension to keep you from accidentally visiting certain sites is at https://addons.mozilla.org/en-US/firefox/addon/4476