So, you want to use FontAwesome in your Theme, eh? Add the following snippet to your functions.php file: wp_enqueue_style( ‘font-awesome’, ‘//netdna.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css’ ); Do you want to use it in your Plugin? Just place that code in one of your functions within your plugin file and hook into the wp_enqueue_scripts Action: add_action( ‘wp_enqueue_scripts’, ‘plugin_slug_load_iconfont’ ); function …