Tracking protection

Enhanced Tracking Protection in Firefox for desktop

Enhanced Tracking Protection in Firefox automatically protects your privacy while you browse.

Last updated: 5/13/25

Private Browsing on Firefox for Android

Private Browsing on your mobile device is great for viewing websites incognito - without saving information about the sites you visit.

Last updated: 1/23/24

Cookies - Information that websites store on your computer

Learn what "cookies" are, how websites use them, and how you can manage the cookies that Firefox stores.

Last updated: 7/29/23

How to clear the Firefox cache

The Firefox cache temporarily stores parts of websites you visit. Learn how to clear it to fix issues with how websites work or look.

Last updated: 7/11/24

Introducing Total Cookie Protection in Standard Mode

Firefox users now have access to Total Cookie Protection by default. Find all you need to know about it in this article.

Last updated: 5/20/25

Clear cookies and site data in Firefox

Learn how to delete cookies that store website preferences and login status, remove site data and clear cached web content in Firefox.

Last updated: 5/12/25

Global Privacy Control

How to make Firefox advise websites that you visit not to sell or share your browsing information.

Last updated: 12/3/24

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Learn how Firefox blocks common trackers and harmful scripts, to reduce the ability of third parties to collect data about your browsing.

Last updated: 2/22/25

SmartBlock for Enhanced Tracking Protection

SmartBlock lets pages load more fully, with less breakage – all while keeping those tracking scripts blocked.

Last updated: 4/13/25

Third-party cookies and Firefox tracking protection

Some advertisers use third-party (cross-site) cookies to track your visits to the various websites on which they advertise. Learn more.

Last updated: 5/13/25

Block websites from storing cookies and site data in Firefox

Cookies and site data are stored on your computer by websites you visit. Learn how to block websites from storing this data in Firefox.

Last updated: 7/18/23

Websites say cookies are blocked - Unblock them

This article describes how to troubleshoot problems that involve websites reporting that cookies are blocked or disabled.

Last updated: 12/1/23

Firefox's protection against fingerprinting

Fingerprinting Protection in Firefox protects you from websites that try to identify you based on a set of unique characteristics.

Last updated: 3/10/25

Clear cookies and website data for a single domain in Firefox for Android

You can delete your cookies and website data for a single domain in Firefox for Android, without losing your logins for other domains.

Created: 2/22/22

How do I change my DNS settings?

This article will show you how to change your DNS settings on Mozilla VPN and why you might want to do that.

Last updated: 7/1/24

Oblivious HTTP (OHTTP) explained

One of the technologies used in Firefox to enhance online privacy is Oblivious HTTP (OHTTP). Learn what it is, how it works and how it helps protect your data.

Last updated: 3/6/25

Total Cookie Protection and website breakage FAQ

Learn about Enhanced Tracking Protection and Total Cookie Protection in Firefox, and how to troubleshoot and report possible site breakage.

Last updated: 10/11/24

Add trusted websites to your allow list in Firefox Focus

Add frequently visited websites to your tracking protection allow list.

Last updated: 10/5/21

Protect your container tabs with Mozilla VPN

Mozilla VPN encrypts your connection so that third parties can't track your online activity. Learn how to add this protection to Containers.

Last updated: 6/18/23

Forget button - quickly delete your browsing history on Firefox

Make Firefox "Forget" your recent browsing history for a specified time period while leaving the rest alone. All it takes is a few clicks.

Last updated: 10/13/24

Block cookie banners on Firefox

To address frustrations caused by cookie banners on websites, Firefox version 120 introduces a cookie banner blocker. Learn how it works.

Last updated: 5/23/25

Enable and disable cookies that websites use to track your preferences

Websites store things like your preferences, login status, and trackers in "cookies" on your computer. Learn how to manage cookies in Firefox.

Last updated: 12/27/19

Tracking Protection on Firefox Focus for iOS

How to view what trackers are on a page and how to turn Tracking Protection on or off.

Last updated: 4/3/22

Block cookies in Firefox Focus for Android

Block cookies in Firefox Focus for Android.

Last updated: 1/14/22

Use Multi-Account Containers with Mozilla VPN

The Multi-Account Containers add-on separates your shopping, work, banking, Facebook and personal browsing activity. Learn how to integrate it with Mozilla VPN.

Last updated: 5 days, 7 hours ago

What are email trackers and how can I block them with Firefox Relay?

Learn how to remove email trackers on emails forwarded through Relay.

Last updated: 11/4/24

Block cookie banners on Firefox for Android

To address frustrations caused by cookie banners on websites, Firefox version 121 for Android introduces a cookie banner blocker. Learn how it works.

Last updated: 6/18/25

Firefox for Android’s protection against fingerprinters

Fingerprinting Protection in Firefox for Android protects you from websites that try to identify you based on a set of unique characteristics.

Last updated: 4/17/25

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