.htaccess

AddType text/cache-manifest .manifest
AddOutputFilterByType DEFLATE text/text text/html text/plain text/xml text/css application/x-javascript application/javascript text/javascript text/cache-manifest
<IfModule mod_expires.c>
  ExpiresActive on

# Perhaps better to whitelist expires rules? Perhaps.
  ExpiresDefault                          "access plus 1 month"

# cache.appcache needs re-requests in FF 3.6 (thx Remy ~Introducing HTML5)
  ExpiresByType text/cache-manifest       "access plus 0 seconds"
# css and javascript
  ExpiresByType text/css                  "access plus 7 days"
  ExpiresByType application/javascript    "access plus 7 days"
  ExpiresByType text/javascript           "access plus 7 days"
</IfModule>

<IfModule mod_headers.c>
	<filesMatch "\\.(ico|pdf|flv|jpg|jpeg|png|gif|swf|cur)$">
		Header set Cache-Control "max-age=2592000, public"
	</filesMatch>
  <filesMatch "\.(css|js|htm|html)$">
		Header set Cache-Control "max-age=604800, no-cache"
	</filesMatch>
  <filesMatch "\.(manifest)$">
		Header set Cache-Control "max-age=0, no-cache"
	</filesMatch>
	<filesMatch "\.(htm|html|css|js)$">
		AddDefaultCharset UTF-8
		DefaultLanguage en-US
	</filesMatch>
</IfModule>