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How to Disable Firefox 7 Telemetry Feature

Wednesday, September 28, 2011


Mozilla has released Firefox 7 final with many improvements in performance and memory consumption, which is now fast and uses less memory. Mozilla adds a new capability called ‘telemetry’ to Firefox 7, intending to collect real world performance data for optimizing future Firefox releases.

You can use the about:telemetry extension to check on your browser performance.

Firefox 7 will collect and send the following telemetry data from your computer: Memory usage, CPU core count, Cycle collection times, and Startup speed.

Though this feature will not negatively influence Firefox performance, you can enable or disable this feature at any time. On the first run, you might have noticed a confirmation dialogue to allow Firefox to report performance data to Mozilla. If you click ‘Yes’ button, Telemetry feature will be enabled.


You can disable or enable submitting Firefox telemetry data at any time. For that, click Option – Advanced and under General tab enable (or disable) ‘Submit performance data’ option (see screenshot above). (via)

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