306 Switch Proxy
This is an educational reference page about HTTP 306 Switch Proxy. The page itself is served as 200 OK so it can be indexed as HTTP documentation.
No longer used. Originally meant "Subsequent requests should use the specified proxy."
Specification
Reserved in the IANA HTTP Status Code Registry as (Unused). Defined in RFC 9110, Section 15.4.7.
RFC 9110 reserves 306. It was defined in an earlier HTTP draft and is no longer used.