205 - Reset Content

The server has fulfilled the request and desires that the user agent reset the “document view”, which caused the request to be sent, to its original state as received from the origin server.

226 - IM Used

The server has fulfilled a GET request for the resource, and the response is a representation of the result of one or more instance-manipulations applied to the current instance.

300 - Multiple Choices

The target resource has more than one representation, each with its own more specific identifier, and information about the alternatives is being provided so that the user (or user agent) can select a preferred representation by redirecting its request to one or more of those identifiers.