Disable Firefox Telemetry & Data Collection

About

Mozilla has provided numerous settings that can be modified on the Options Page which determines how your copy of Firefox communicates with Mozilla.

You can enable/disable settings such as

• Allow Firefox to send technical and interaction data to Mozilla
• Allow Firefox to install and run studies
• Allow Firefox to send Crash Reports to Mozilla Servers

These settings are available within the Privacy & Security section of your browser.

Disable Telemetry and Data Collection:

• Launch Firefox, type about:config in the address bar.
  • If you get a warning prompt, select Accept the Risk and Continue.
• In the search bar, type each of the below settings and set them to the value provided in the right column:

Setting	Change To
browser.newtabpage.activity-stream.feeds.telemetry	false
browser.newtabpage.activity-stream.telemetry	false
browser.ping-centre.telemetry	false
datareporting.healthreport.service.enabled	false
datareporting.healthreport.uploadEnabled	false
datareporting.policy.dataSubmissionEnabled	false
datareporting.sessions.current.clean	true
devtools.onboarding.telemetry.logged	false
toolkit.telemetry.archive.enabled	false
toolkit.telemetry.bhrPing.enabled	false
toolkit.telemetry.enabled	false
toolkit.telemetry.firstShutdownPing.enabled	false
toolkit.telemetry.hybridContent.enabled	false
toolkit.telemetry.newProfilePing.enabled	false
toolkit.telemetry.prompted	Number Value 2
toolkit.telemetry.rejected	true
toolkit.telemetry.reportingpolicy.firstRun	false
toolkit.telemetry.server	Delete URL
toolkit.telemetry.shutdownPingSender.enabled	false
toolkit.telemetry.unified	false
toolkit.telemetry.unifiedIsOptIn	false
toolkit.telemetry.updatePing.enabled	false

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Alternative Browser (Librewolf)

If privacy is a concern and you wish to do away with the telemetry all-together, try out https://librewolf.net/.

Librewolf is a custom and independent version of Firefox, with the primary goals of privacy, security and user freedom. It is designed to increase protection against tracking and fingerprinting techniques, while also including a few security improvements. LibreWolf also aims to remove all the telemetry, data collection and annoyances, as well as disabling anti-freedom features like DRM. It is also compatible with all plugins available for Firefox.