Response · Response header

Location

The redirect target (3xx) or newly created resource URL (201).

What is Location?

Location is repurposed: on 3xx redirects it points to the new URL; on 201 Created it points to the URL of the newly created resource.

Set on 3xx redirect responses and 201 Created responses.

Location: /users/42

Location: https://new.example.com/

RFC 9110 §10.2.2

Retry-After

How long the client should wait before retrying.

Server

Identifies the server software.

Date

When the response was generated.

Allow

Which HTTP methods the target resource supports.

Link

Serialized <link> relationships as an HTTP header.