Script placement optimization

functions.php

@@ -18,9 +18,12 @@ function ams_enqueue_styles() {
 }
 
 function ams_enqueue_scripts() {
-  wp_enqueue_script('bootstrap', get_template_directory_uri() . '/dist/bootstrap/bootstrap.js', array("jquery"), '4.0.0-3');
-  wp_enqueue_script('stickyfill', get_template_directory_uri() . '/dist/stickyfill/stickyfill.js', array("jquery"), '1.1.4');
-  wp_enqueue_script('slick', get_template_directory_uri() . '/dist/slick/slick.js', array("jquery"), '1.6.0');
+  wp_deregister_script( 'jquery' );
+  wp_register_script( 'jquery', includes_url( '/js/jquery/jquery.js' ), false, NULL, true ); // push jquery to the bottom
+  wp_enqueue_script( 'jquery' );
+  wp_enqueue_script('bootstrap', get_template_directory_uri() . '/dist/bootstrap/bootstrap.js', array("jquery"), '4.0.0-3', true);
+  wp_enqueue_script('stickyfill', get_template_directory_uri() . '/dist/stickyfill/stickyfill.js', array("jquery"), '1.1.4', true);
+  wp_enqueue_script('slick', get_template_directory_uri() . '/dist/slick/slick.js', array("jquery"), '1.6.0', true);
 }
 
 add_action('wp_enqueue_scripts', 'ams_enqueue_styles');