SetInputFilter DEFLATE
  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 masquerades as Netscape, but it is fine
  BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
 
  #   Don't compress these file types. 
  SetEnvIfNoCase Request_URI \
    \.(?:gif|jpe?g|png|bmp|swf|mov|avi|mpg|mpeg|mp3|mp2|ogg|ogm|wav|wma|wmv|zip|gz|bz2|rar|7z|tar|pdf|exe|msi|class|dll|ocx|cab|js|css)$ no-gzip dont-vary