303 See Other (since HTTP/1.1)
This is an educational reference page about HTTP 303 See Other. The page itself is served as 200 OK so it can be indexed as HTTP documentation.
The response to the request can be found under another URI using the GET method. When received in response to a POST (or PUT/DELETE), the client should presume that the server has received the data and should issue a new GET request to the given URI.