Move gravity forms JS to the footer.

move-gf-js-footer.php

<?php
/**
 * Move Gravity Forms JS to footer.
 *
 * Force Gravity Forms to init scripts in the footer and
 * ensure that the DOM is loaded before scripts are executed.
 */
function hybrid_base_wrap_gform_cdata_open( $content = '' ) {
	$content = 'document.addEventListener( "DOMContentLoaded", function() { ';
	return $content;
}
add_filter( 'gform_cdata_open', 'hybrid_base_wrap_gform_cdata_open' );

function hybrid_base_wrap_gform_cdata_close( $content = '' ) {
	$content = ' }, false );';
	return $content;
}
add_filter( 'gform_cdata_close', 'hybrid_base_wrap_gform_cdata_close' );