Long Task API

A performance API to enable applications to detect presence of “long tasks” that monopolize the UI thread for extended periods of time and block other critical tasks from being executed - e.g. reacting to user input.


Notes from TPAC discussion: https://docs.google.com/document/d/1RigHs7a4yRcVUt4fPswOZLKY_-tDlPiz8hPokBixHEk/edit#heading=h.mwr9aubzxuqt



Working draft or equivalent

Status in Chromium

Enabled by default (launch bug) in:

  • Chrome for desktop release 58
  • Chrome for Android release 58
  • Chrome for iOS release 58
  • Android WebView release 58

Consensus & Standardization


Last updated on 2017-04-24