Content-Encoding representation header lists any
encodings that have been applied to the response, and in what order.
Content encoding is mainly used to compress the message data without
losing information about the origin media type.
A web crawler can hint at what encoding methods it supports via the
Accept-Encoding header, however a web server may ignore any
The below demonstration pages return a sample HTML page compressed with the specified algorithm. Note that your browser may not understand some encodings.