[giorgino]

Great article! Really thank you!

In my httpd.conf I've this directives:

#mod_deflate
<IfModule mod_deflate.c>
DeflateCompressionLevel 9

<Location / > 
SetOutputFilter DEFLATE
SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ \
no-gzip dont-vary
SetEnvIfNoCase Request_URI \
\.(?:exe|t?gz|zip|bz2|sit|rar)$ \
no-gzip dont-vary
SetEnvIfNoCase Request_URI \.pdf$ no-gzip dont-vary

BrowserMatch ^Mozilla/4 gzip-only-text/html
BrowserMatch ^Mozilla/4\.0[678] no-gzip
BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
Header append Vary User-Agent env=!dont-vary
</Location> 
</IfModule>

<ifModule mod_expires.c>
  ExpiresActive On
  ExpiresDefault "access plus 1 seconds"
  ExpiresByType text/html "access plus 1 seconds"
  ExpiresByType image/gif "access plus 259200000 seconds"
  ExpiresByType image/jpeg "access plus 259200000 seconds"
  ExpiresByType image/png "access plus 259200000 seconds"
  ExpiresByType text/css "access plus 60480000 seconds"
  ExpiresByType text/javascript "access plus 21600000 seconds"
  ExpiresByType application/x-javascript "access plus 21600000 seconds"
  ExpiresByType application/javascript "access plus 3456000 seconds"
</ifModule>

<ifModule mod_headers.c>
  <filesMatch "\\.(ico|pdf|flv|jpg|jpeg|png|gif|swf)$">
    Header set Cache-Control "max-age=25920000, public"
  </filesMatch>
  <filesMatch "\\.(css)$">
    Header set Cache-Control "max-age=6048000, public"
  </filesMatch>
  <filesMatch "\\.(js)$">
    Header set Cache-Control "max-age=2160000, private"
  </filesMatch>
  <filesMatch "\\.(xml|txt)$">
    Header set Cache-Control "max-age=2160000, public, must-revalidate"
  </filesMatch>
  <filesMatch "\\.(html|htm|php)$">
    Header set Cache-Control "max-age=1, private, must-revalidate"
  </filesMatch>
</ifModule>
<ifModule mod_headers.c>
  Header unset ETag
</ifModule>
FileETag None
<ifModule mod_headers.c>
  Header unset Last-Modified
</ifModule>

Are correct?