<IfModule mod_expires.c>
  ExpiresActive on

  ExpiresByType text/html                 "access plus 1 hour"
  ExpiresByType image/png                 "access plus 1 hour"
  ExpiresByType image/jpg                 "access plus 1 hour"
  ExpiresByType image/jpeg                "access plus 1 hour"
  ExpiresDefault                          "access plus 30 days"
</IfModule>