Redirect WordPress dead-links to the homepage

404.php

<?php
 /**
 * Redirect missing WordPress URLs . 
 *
 * If you want to redirect the browser every time a page can’t be found while avoiding SEO impact, you can open your 404.php file
 * in your theme’s folder and paste this at the top. If it doesn’t exist, then create a blank 404.php file.
 *
 * @link https://imelgrat.me/wordpress/dead-links-redirect-avoid-seo-impact/
 */
	header("HTTP/1.1 301 Moved Permanently");
	header("Location: " . get_bloginfo('url'));
	exit();
?>