Allows requests with simple range headers to go through without preflight. CORS requests will be able to use the Range header in limited ways (only one valid range) without triggering a preflight.


Specification link

Final published standard: Recommendation, Living Standard, Candidate Recommendation, or similar final form

Status in Chromium


Enabled by default

Consensus & Standardization

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

  • No signal
  • No signal
  • No signals



PR with the change:

Last updated on 2022-04-13