Deprecate and remove SPDY/3.1 (removed)

SPDY/3.1 is the experimental application layer protocol that provides performance improvements over HTTP/1.1 by, for example, connection multiplexing and server push. SPDY/3.1 is superseded by HTTP/2, which was published as an RFC last May.


De-facto standard

Status in Chromium


Removed (tracking bug) in:

  • Chrome for desktop release 51

Consensus & Standardization

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

  • No public signals
  • No public signals
  • No public signals
  • No signals


Last updated on 2017-06-14