wordpress优化细节：屏蔽s.w.org和移除emoji加快打开速度

remove_action('wp_head', 'print_emoji_detection_script', 7 ); remove_action('admin_print_scripts','print_emoji_detection_script'); remove_action('wp_print_styles', 'print_emoji_styles'); remove_action('admin_print_styles', 'print_emoji_styles');
//禁止加载s.w.org并移动dns-prefetch function remove_dns_prefetch( $hints, $relation_type ) 	{ 		if ( 'dns-prefetch' === $relation_type ) 		{
return array_diff( wp_dependencies_unique_hosts(), $hints ); 		}
return $hints; 	} add_filter( 'wp_resource_hints', 'remove_dns_prefetch', 10, 2 );