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  1. ff8f3cd Add a telemetry/examples/record_wpr script to run wpr by xunjieli · 19 minutes ago master
  2. b0300e3 [wpr-go] Match NegotiatedProtocol by xunjieli · 53 minutes ago
  3. a1cf261 [Tracing] Delete duplicate tests from bin/run_py_tests by eakuefner · 88 minutes ago
  4. ab88b5a [Tracing] Add DiagnosticRef.asDictOrReference by eakuefner · 2 hours ago
  5. 1e5227e Changing story.display_name references to by ashleymarie · 2 hours 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