Alt-Svc HTTP Header

Indicate a resource should be loaded from a different server while still appearing to be loaded from this server.

Multiple groups, seperated by a comma. Each group consists of a protocol=authority value, followed by optional data seperated by a semi-colon.

<protocol>="<alt-authority>": The ALPN protocol followed by the alternative host and port.
clear: Clears all alternatives for the origin.
ma=<integer>: The number of seconds which the alternative service is available.
ma=4
persist=1: The entry is not deleted when the network is changed.

Alt-Svc: h3-25=":443"; max=1000, h3="apple.com:443"

Enter a Alt-Svc header below to parse and return details about it.