t:pref
i:/browser/app/profile/firefox.js
o:/browser/app/profile/firefox.js

+pref("toolkit.telemetry.unified", false); // Disable unified telemetry
+pref("toolkit.telemetry.enabled", false); // Disable telemetry
+pref("toolkit.telemetry.server", ""); // Clear telemetry server
+pref("toolkit.telemetry.archive.enabled", false); // Disable telemetry archive
+pref("toolkit.telemetry.newProfilePing.enabled", false); // Disable new profile telemetry ping
+pref("toolkit.telemetry.shutdownPingSender.enabled", false); // Disable shutdown telemetry ping
+pref("toolkit.telemetry.updatePing.enabled", false); // Disable update telemetry ping
+pref("toolkit.telemetry.bhrPing.enabled", false); // Disable background hang reporting
+pref("toolkit.telemetry.firstShutdownPing.enabled", false); // Disable first shutdown telemetry ping
+pref("toolkit.coverage.opt-out", true); // Opt out of telemetry coverage
+pref("toolkit.coverage.endpoint.base", ""); // Clear telemetry coverage endpoint
+pref("datareporting.policy.dataSubmissionEnabled", false); // Disable data submission
+pref("datareporting.healthreport.uploadEnabled", false); // Disable health report upload
+pref("browser.newtabpage.activity-stream.feeds.telemetry", false); // Disable new tab telemetry
+pref("browser.newtabpage.activity-stream.telemetry", false); // Disable activity stream telemetry
+pref("app.shield.optoutstudies.enabled", false); // Disable Shield studies
+pref("app.normandy.enabled", false); // Disable Normandy
+pref("app.normandy.api_url", ""); // Clear Normandy API URL
+pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false); // Disable auto submission of crash reports
+pref("breakpad.reportURL", ""); // Disable crash report submission
+pref("captivedetect.canonicalURL", ""); // Disable captive portal detection
+pref("network.captive-portal-service.enabled", false); // Disable network connectivity service
+pref("network.connectivity-service.enabled", false); // Disable connectivity checks
+pref("browser.discovery.enabled", false); // Disable extension recommendations
+pref("extensions.htmlaboutaddons.recommendations.enabled", false); // Disable addon recommendations