“[T]here is a partial Python implementation of the v2 [SPDY] draft that has seen some love and works with the current Chrome builds but (and herein lies another kink) only if you disable SSL support explicitly via the command line, which is a pain since it’s rather trivial to get the whole thing to work otherwise – you basically send out an Alternate-Protocol: PORTNUMBER:spdy/v2 header in your HTTP server, and you’re all set – the browser tries to switchover automatically.”