lw-na

<?php

/*
  Plugin Name: Dashboard Widget Activity Custom Post Type
  Plugin URI:
  Description:
  Author: Daniele Mte90 Scasciafratte
  Version: 1.0.0
  Author URI: http://mte90.net
 */

lw-na

function defer_parsing_of_js($url)
{
  if (is_admin()) return $url; //don't break WP Admin
  if (false === strpos($url, '.js')) return $url;
  if (strpos($url, 'jquery.js')) return $url;
  return str_replace(' src', ' defer src', $url);
}
add_filter('script_loader_tag', 'defer_parsing_of_js', 10);

lw-na

<?php
/**
 * Using wp_dropdown_categories with the post type filter applied.
 *
 * @link https://joshuadnelson.com/category-taxonomy-dropdown-filtered-by-post-type/
 */
 
// Taxonomy dropdown arguments
$args = array(
	'taxonomy'		=> 'department',