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Content Blocking with tracking protection actively blocks domains and sites that are known to track users. Learn more about this feature.

Tracking generally refers to content, cookies, or scripts that can collect your browsing data across multiple sites. Firefox provides users with tools to block these online trackers. This feature was called Tracking Protection in the past. Starting in [[Find what version of Firefox you are using|Firefox version]] 63, the functionality of Tracking Protection is included in a new set of features called Content Blocking. Now, you can get the same tracking protection by selecting the setting to block all detected trackers. {for not fx63}{warning}[[Update Firefox to the latest version|Update Firefox to the latest version]] to use [[Content blocking|Content Blocking]] and for the latest security and stability updates.{/warning}{/for} {for fx63} =Turn Content Blocking on or off= Starting in Firefox 63, content blocking includes settings for trackers and tracking cookies. By default, Firefox blocks trackers only in [[Private Browsing - Use Firefox without saving history|private windows]]. You can change your {for win}options{/for}{for mac,linux}preferences{/for} to block trackers all the time. You can also set your {for win}options{/for}{for mac,linux}preferences{/for} to not block any content at all. #Expand the main Firefox menu button [[Image:fx57menu]] and select {menu Content Blocking}. This takes you to the Content Blocking section in {for win}options{/for}{for mac,linux}preferences{/for}. #;[[Image:Fx63menuContentBlocking]] #To block trackers for all browsing sessions, change the ''All Detected Trackers'' option from ''Only in private windows'' to '''Always'''. #To turn off Content Blocking, deselect the checkbox for '''All Detected Trackers'''. {note}To learn more about these features, see the [[Content Blocking]] article.{/note} {/for} {for not fx63} __TOC__ {for =fx62} <!--The Firefox menu Tracking Protection on/off switch was not available in Firefox version 61 or below --> =Turn Tracking Protection on or off= #Click on the Firefox menu button [[Image:fx57menu]] to open the menu panel. #Click the switch next to {menu Tracking Protection} to turn it on [[Image:switchonios]] or off. {/for} {for =fx57, =fx58, =fx59, =fx60, =fx61, =fx62} =Turn Tracking Protection on or off automatically for certain sessions= By default, Firefox blocks trackers only in [[Private Browsing - Use Firefox without saving history|Private Browsing]] windows. You can customize Tracking Protection so that it's on all the time, only in private windows or not at all. #[[T:optionspreferences]] #Click {menu Privacy & Security} on the left and go to the '''Tracking Protection''' section. #;[[Image:Fx57TrackingProtection-new]] #Choose between the following options: #*'''Always''': Keep Tracking Protection on as you browse. #*'''Only in private windows''': Turns Tracking Protection on only if you're using a [[Private Browsing - Use Firefox without saving history|Private Browsing]] window. #*'''Never''': Turns off Tracking Protection for all sites. {/for} =Turn Tracking Protection on or off in private windows= Tracking Protection is turned on by default in [[Private Browsing - Use Firefox without saving history|Private Browsing]] windows. [[Image:PrivateBrowsingWithTrackingProtectionON]] Click the switch next to Tracking Protection on the Private Browsing home page to turn it off or back on.{for fx57} (If you don't see a Tracking Protection switch, it means that you've customized your Firefox [[T:optionsorpreferences]] to always keep Tracking Protection on.){/for} =Turn off Tracking Protection for individual sites= You may also choose to disable Tracking Protection for particular websites. #The shield icon will appear when Firefox is actively blocking trackers on a page. Click the shield icon to bring up the [[Control Center - manage site privacy and security controls|Control Center]]. #In the Control Center, click {for not fx57}{button Disable protection for this session}{/for}{for =fx57,=fx58,=fx59,=fx60,=fx61}{button Disable protection for this site} in a normal browsing window or {button Disable protection for this session} in a [[Private Browsing - Use Firefox without saving history|Private Browsing]] window{/for}{for fx62}{button Disable For This Site} in a normal browsing window or {button Disable For This Session} in a [[Private Browsing - Use Firefox without saving history|Private Browsing]] window{/for}. #;{for not fx57}[[Image:Disable tracking protection 42]]{/for}{for =fx57, =fx58, =fx59, =fx60, =fx61}[[Image:tracking protection off 57]]{/for}{for fx62}[[Image:Fx62TrackingProtection-Always]]{/for} #Once Tracking Protection is disabled, a shield icon with red strikethrough [[Image:tracking protection off fxos]] will appear in your address bar. {note}'''To re-enable Tracking Protection''', click the shield icon again and click {for not fx62}{button Enable Protection}{/for}{for fx62}{button Enable For This Site}{/for}.{/note} Since Private Browsing mode doesn’t keep any information about your browsing session, when you disable Tracking Protection for a site it only lasts for this session. When you start a new Private Browsing session, Tracking Protection will be turned on again for all sites. {for not fx57} =Turn off Tracking Protection for all sites= #[[T:optionspreferences]] #{for not fx56}Click {menu Privacy} on the left{/for}{for fx56}Click {menu Privacy & Security} on the left and go to the '''Tracking Protection''' section{/for}. #Uncheck the box next to {for not fx56}'''Use Tracking Protection in Private Windows'''{/for}{for fx56}'''Use Tracking Protection in Private Browsing to block known trackers'''{/for}. #;{for not fx56}[[Image:tp privacy menu 50]]{/for}{for =fx56}[[Image:Fx56Privacy&Security-Tracking]]{/for} #Close the tab to save your changes. {/for} =Block lists in Firefox= You can change the block list used to block third-party trackers. By default, Private Browsing with Tracking Protection uses the Disconnect.me basic protection list. You can change this to use the Disconnect.me strict protection list instead. *The basic protection list blocks commonly known analytics trackers, social sharing trackers and advertising trackers. However, the basic protection list allows some known content trackers to reduce website breakage. *The strict protection list blocks all known trackers, including analytics trackers, social sharing trackers and advertising trackers as well as content trackers. The strict list will break some videos, photo slideshows and some social networks. ==Change your block list== #[[T:optionspreferences]] #{for not fx56}Click {menu Privacy} on the left{/for}{for fx56}Click {menu Privacy & Security} on the left and go to the '''Tracking Protection''' section{/for}. #Click the {button Change Block List} button next to {for not fx56}'''Use Tracking Protection in Private Windows'''{/for}{for =fx56}'''Use Tracking Protection in Private Browsing to block known trackers'''{/for}{for fx57}'''Use Tracking Protection to block known trackers'''{/for} and select the block list you want to use. #Click {button Save Changes}. {/for}