As example in the use case
Multiple formats and multilingual site.,
the client sends the request:
curl --location --request GET 'www.museum.example.com/artwork/45' \
--header 'Accept-Encoding: deflate, gzip;q=1.0, *;q=0.5'
And the server answer with the response:
HTTP/1.1 200 OK
Content-Encoding: gzip
Vary: Accept-Encoding
Content-Length: 2487 ...