Clone this repo:
  1. 93bbf93 Use ijson for proper incremental parsing by Dean Michael Berris · 2 hours ago master
  2. c57051c Add ijson to third_party by Dean Michael Berris · 6 hours ago
  3. d8c847c Undo caching of TestMetadata by Dean Michael Berris · 9 hours ago
  4. 4e9bccd Add dont-require-rooted-device compatibility-mode to Telemetry. by Kenneth Russell · 3 days ago
  5. 08dd40f Make myself an OWNER of catapult. by Caleb Rouleau · 3 days ago


Catapult is the home for several performance tools that span from gathering, displaying and analyzing performance data. This includes:

These tools were created by Chromium developers for performance analysis, testing, and monitoring of Chrome, but they can also be used for analyzing and monitoring websites, and eventually Android apps.


Please see our contributor's guide

Current build status