Saves Bandwidth with Cache and htaccess

<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"
</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>

To optimize caching, create a file ". Htaccess" in the root directory, then fill with the following code
(or if the file already exists ". htaccess" page, add the code wrote below).

or download code link here:
http://www.4share.me/php/_.htaccess.txt