Add size related attributes to Resource Timing API Changes to API surface: Add 3 attributes (transfer/encoded/decoded sizes)



Working draft or equivalent

Status in Chromium


Enabled by default (tracking bug) in:

  • Chrome for desktop release 54
  • Chrome for Android release 54
  • Android WebView release 54

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • Shipped/Shipping
  • No signal
  • No signal
  • Positive


Search tags

transferSize, resource timing, size, cache,

Last updated on 2020-11-09