Beginning of a thread about apache which describes mod_deflate and chunked transfer encoding working together such that each chunked is individually gzipped. The thread doesn't resolve the question of whether this is allowed, but demonstrates that it works (and that apache/mod_deflate exhibits this behaviour by default).

Simple tool for inspecting the headers of the response sent back by a webserver. Doesn't do anything that Firebug or Chrome dev tools don't do, but it's lightweight and requires no installation.

A tool for viewing details of individual chunks sent back in the response from a webserver which is using the "Transfer-Encoding: chunked" feature of HTTP/1.1