Index: Privacy Metrics Widget

Building a widget that shows users how many trackers Firefox has blocked for them, from the protections dashboard to the new tab page.

Three widget variants on the new tab page
Three widget variants on the new tab page

Articles

  1. Privacy Metrics Service - Backend service and IPC layer
  2. Privacy Metrics Component - Lit web component, localization, and tests
  3. Top Trackers Database - Schema migration and per-origin storage for top-K tracker queries
  4. Nova Redesign & New Tab Integration - Prop-based refactor, Nova design system, and new tab integration via External Component Registry
  5. Anti-Tracking DB Flush-on-Query - Flushing in-memory ContentBlockingLogs into the database before the widget reads from it