mod_deflate config sample from http://httpd.apache.org/docs/2.2/mod/mod_deflate.html + http://blog.nomadscafe.jp/2011/02/httpplack.html

gistfile1.apacheconf

<Location />
   ### COMPRESS EVERYTHING EXCEPT IMAGES >> ###
   # Insert filter
   SetOutputFilter DEFLATE
   
   # Netscape 4.x has some problems...
   BrowserMatch ^Mozilla/4 gzip-only-text/html
   
   # Netscape 4.06-4.08 have some more problems
   BrowserMatch ^Mozilla/4\.0[678] no-gzip
   
   # MSIE(7/8) masquerades as Mozilla4, but it is fine
   BrowserMatch \bMSIE\s(7|8) !no-gzip !gzip-only-text/html
   
   # Don't compress images
   SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip dont-vary
   
   # Make sure proxies don't deliver the wrong content
   Header append Vary User-Agent env=!dont-vary
   ### << COMPRESS EVERYTHING EXCEPT IMAGES ###
   
</Location>