HTTP 226 IM Used

The server fulfilled a GET request using one or more instance manipulations.

Use 226 for delta encoding when the client and server negotiate an instance-manipulation format.

httpstatus codecachedelta

Response (http)

HTTP/1.1 226 IM Used

Use 226 for delta encoding when the client and server negotiate an instance-manipulation format.

Common mistakes

Using 226 without negotiating instance manipulations, leaving clients unable to reconstruct the representation.

Registry reference: rfc3229

Sources