+
+# Caches the immutable resources for seven days. Generated files (images and JS
+# served by PHP) are not affected.
+ExpiresActive On
+ExpiresByType application/javascript "access plus 7 days"
+ExpiresByType application/x-javascript "access plus 7 days"
+ExpiresByType image/gif "access plus 7 days"
+ExpiresByType image/jpeg "access plus 7 days"
+ExpiresByType image/png "access plus 7 days"
+ExpiresByType text/css "access plus 7 days"