Keep-Alive general header allows the sender to hint about how the connection may be used to set a timeout and a maximum amount of requests.
Note: Set the
Connection header to "keep-alive" for this header to have any effect.
Warning: Connection-specific header fields such as
Keep-Alive are prohibited in HTTP/2 and HTTP/3. Chrome and Firefox ignore them in HTTP/2 responses, but Safari conforms to the HTTP/2 specification requirements and does not load any response that contains them.
|Header type||Request header, Response header|
|Forbidden header name||yes|