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Learn how to manage Enhanced Tracking Protection exceptions.

Firefox blocks common trackers in [[Private Browsing - Use Firefox without saving history|Private Browsing mode]] and in [[Enhanced Tracking Protection in Firefox for desktop#w_adjust-your-global-enhanced-tracking-protection-settings|Enhanced Tracking Protection strict level]] to protect users’ online privacy. Some site functionality could be affected if the site relies on the blocked tracking script. Starting in [[Find what version of Firefox you are using|Firefox version]] 142, to avoid site problems, Firefox has introduced WebCompat exceptions that unblock trackers under specific circumstances. =Web compatibility exception tiers= Firefox provides two tiers of web compatibility exceptions that balance privacy and site functionality at different levels. *'''Major website breakage:''' The major breakage exceptions target restoring critical website breakages, such as a broken site that does not load or major site functionality that is impacted. *'''Minor issues:''' Minor issues exceptions restore website functionalities that are not strictly necessary for the site's primary purpose. For example, restoring missing images or allowing blocked video elements to load. =Where does Firefox apply web compatibility exceptions?= Firefox manages the WebCompat exception tiers to automatically align with the user's selected Enhanced Tracking Protection level. *'''ETP Standard Level:''' Both tiers of exceptions are enabled by default in private browsing windows for a consistent browsing experience. *'''ETP Strict Level:''' **Major website breakage web compatibility exceptions are enabled to maintain core website features. **The minor issues exception tier is disabled to improve privacy. =How to configure web compatibility exceptions= ==Firefox for Desktop== To configure your settings for WebCompat exceptions: #[[Template:optionspreferences]] #On the left-side menu, select the {menu Privacy & Security} panel. #Go to the '''Enhanced Tracking Protection''' settings under the ''Browser Privacy'' section. #*Two checkboxes of Enhanced Tracking Protection exceptions would be displayed in ETP: Strict and Custom levels. #Select or deselect the checkboxes to adjust Web compatibility exceptions. ;[[Image:enhanced11|width=600]] ;[[Image:enhanced22|width=600]] ;[[Image:enhanced33|width=600]] ==Firefox for Android== To configure your settings for WebCompat exceptions: #Click the icon [[Image:threebutton|width=20]], and open {menu Settings}. #Scroll down to the {menu Enhanced Tracking Protection} and click it. #Select {button Strict} or {button Custom}. #Select or deselect the checkboxes to adjust ETP Webcompat exceptions. ;[[Image:fenix1|width=400]] ;[[Image:fenix2|width=400]] =Find the active ETP WebCompat exceptions= The ETP WebCompat exception list, detailing all deployed WebCompat exceptions and their corresponding Bugzilla bugs, is available at [https://etp-exceptions.mozilla.org/]. This website allows you to monitor and understand the rationale behind WebCompat exceptions on specific websites. =Related articles= *[[Enhanced Tracking Protection in Firefox for desktop]] *[[How do I report a broken site in Firefox desktop?]]