300 Multiple Choices redirect status response code indicates that the request has more than one possible responses. The user-agent or the user should choose one of them. As there is no standardized way of choosing one of the responses, this response code is very rarely used.
If the server has a preferred choice, it should generate a
300 Multiple Choices
|RFC 7231, section 6.4.1: 300 Multiple Choices||Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content|