Page History
...
The take-away here is to encourage best practices in developing applications based on the HTTP protocol. The internet works best when the established status codes and header fields are used. Unfortunately, these are often ignored in favor of just using HTTP as a convenient utility for sending information back and forth between two systems.
...
Note: Introduced version 2.1, the GetBestContentNegotiation service can be used to determine the best content match that the server is able to return.
