Personal tools


From MozillaWiki

Jump to: navigation, search



It's helpful for Mozilla's engineers to be able to measure how Firefox behaves in the real world. The Telemetry feature provides this capability by sending performance and usage info to Mozilla. As you use Firefox, Telemetry measures and collects non-personal information, such as performance, hardware, usage and customizations. It then sends this information to Mozilla on a daily basis and we use it to improve Firefox.

Telemetry is a joint project between Engineering and Metrics with Engineering owning the in product Telemetry client and Metrics owning the Telemetry server side.

Accessing Telemetry Data

Aggregate Telemetry data from all submissions can be viewed on the Telemetry dashboard at

Instance Telemetry data (collected in your browser) can be viewed by typing about:telemetry into the Firefox URL bar.


Firefox Users

Firefox Devs

Filing Bugs

Telemetry client (in product) bugs should be filed in Toolkit::Telemetry.

Telemetry dashboard bugs should be filed in Webtools::Telemetry Dashboard

Telemetry data related bugs should be filed in Webtools::Telemetry Server



Communication Type Mechanism Audience
Announcements dev-platform and dev-planning lists all
General discussion dev-platform list devs

Minutes and Progress Reports



Project Champion
Program Management Lawrence Mandel
Product Benjamin Smedberg
Client Engineering Taras Glek, Nathan Froyd, Vladan Djeric
Server Engineering Daniel Einspanjer
Incoming Bug Triage Taras Glek, Lawrence Mandel
Privacy Sid Stamm
Legal Jishnu Menon