Weekly edition · 2026-W39

What took off on Firefox, 21 – 27 Sep 2026

The week's Firefox add-ons in one page: the fastest risers and what happened alongside them, the biggest rank climbs, breakouts, launches, the biggest delistings, newly featured listings, the hottest categories and rising themes.

Reconstructed rebuilt from the census history on 1 Oct 2026, 20:24 UTC · frozen

Firefox

add-ons Browse Firefox →

Risers rank on each store's honest weekly series - ratings gained on Chrome, Edge and Apple, users or installs elsewhere - above the store page's size floor, and leave out listings whose numbers do not add up. The grey line under a riser is what else happened to it in the fortnight (a featuring, a new version, a competitor leaving): alongside the rise, not offered as its cause. An edition is provisional while its week runs and frozen once it closes (Monday 00:00 UTC); weeks that ended before editions began were reconstructed from the census history, and what that history cannot support is marked unavailable. How the data is collected →

Every edition

  1. 2026-W42 · 12 – 18 Oct 2026 so far
  2. 2026-W41 · 5 – 11 Oct 2026 final
  3. 2026-W40 · 28 Sep – 4 Oct 2026 final
  4. 2026-W39 · 21 – 27 Sep 2026 rebuilt
  5. 2026-W38 · 14 – 20 Sep 2026 rebuilt
  6. 2026-W37 · 7 – 13 Sep 2026 rebuilt
  7. 2026-W36 · 31 Aug – 6 Sep 2026 rebuilt