Many users seem to be having issues using W3 Cache Plugin with the Dante theme and not getting good page load speeds. We Recommend using ‘WP Super Cache’ https://wordpress.org/plugins/wp-super-cache/ and ‘ Better WordPress Minify’ http://wordpress.org/plugins/bwp-minify/ since we are using both on our demo .
For more info please see below urls:
http://www.wpbeginner.com/beginners-guide/how-to-install-and-setup-wp-super-cache-for-beginners/
http://support.swiftideas.net/knowledgebase/better-wordpress-minify/