Response Headers
Accept-Ranges none
Content-Length 18281
Date Wed, 30 Jul 2008 11:59:58 GMT
Server apache
X-Powered-By php/4.4.7
X-Pingback http://www.massimo-caselli.com/xmlrpc.php
Content-Type text/html; charset=ISO-8859-1
X-Cache MISS from ITACA-esil732
X-Cache-Lookup MISS from ITACA-esil732:8080
Via 1.0 esil732-fe:8080 (squid)
Proxy-Connection keep-alive

Request Headers
Host http://www.massimo-caselli.com
User-Agent mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.14) Gecko/20080404 firefox/2.0.0.14
Accept text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language en-us,en;q=0.5
Accept-Encoding gzip,deflate
Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive 300
Proxy-Connection keep-alive
Referer http://www.massimo-caselli.com/2008/07/18/deflate-su-massimo-casellicom/

Nota che nel request il browser dice di supportare il deflate, ma nei response header questo viene ignorato. Dovresti vedere qualcosa tipo:
Content-Encoding gzip

Salut