Clone this repo:
  1. dfd7854 Update vpython3 requests by Brian Sheedy · 6 hours ago main
  2. 5b509eb netlog_viewer: add parameter writer for CERT_VERIFY_PROC_PATH_BUILT by Matt Mueller · 10 hours ago
  3. e63ab9e [Fuchsia] Change ssh config file name by Chong Gu · 10 hours ago
  4. 3495a7b netlog_viewer: add parameter writers for CERT_VERIFY_PROC and CERT_VERIFY_PROC_PATH_BUILD_ATTEMPT by Matt Mueller · 11 hours ago
  5. 40dcb3c netlog_viewer: make default events view left pane wider by Matt Mueller · 11 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