Checkout the histograms: https://telemetry.mozilla.org/ https://telemetry.mozilla.org/ Do other vendors let you see their metric dashboards? And if you feel st

Checkout the histograms: https://telemetry.mozilla.org/ https://telemetry.mozilla.org/ Do other vendors let you see their metric dashboards? And if you feel statistics of time to FIRST_PAINT invades your privacy you can disable telemetry reporting. You can also see what your browser collects in about:telemetry, but don't equate performance measurements with surveillance -- that's FUD.