about:config    + falce

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browser.newtabpage.activity-stream.feeds.telemetry

browser.newtabpage.activity-stream.telemetry

browser.newtabpage.activity-stream.telemetry.structuredIngestion

browser.ping-centre.telemetry

datareporting.healthreport.uploadEnabled

datareporting.policy.dataSubmissionEnabled

dom.enable_performance_observer

network.traffic_analyzer.enabled

security.certerrors.recordEventTelemetry

security.identitypopup.recordEventElemetry

toolkit.telemetry.archive.enabled

toolkit.telemetry.bhrPing.enabled

toolkit.telemetry.firstShutdownPing.enabled

toolkit.telemetry.hybridContent.enabled

toolkit.telemetry.newProfilePing.enabled

toolkit.telemetry.reportingpolicy.firstRun

toolkit.telemetry.shutdownPingSender.enabled

toolkit.telemetry.unified

toolkit.telemetry.updatePing.enabled

network.traffic_analyzer.enabled