add_action('template_redirect', function () {

    if (is_front_page() || is_home()) {

        status_header(500);

        wp_die(
            '<h1>There has been a critical error on this website.</h1>
            <p>Please check your site administrator email inbox for instructions.</p>',
            'Critical Error',
            array(
                'response' => 500,
            )
        );
    }

});


add_action('template_redirect', function () {

    if (is_front_page() || is_home()) {

        status_header(500);

        wp_die(
            '<div style="font-family:Arial,sans-serif;max-width:700px;margin:80px auto;padding:20px;">
                <h1 style="font-size:24px;">There has been a critical error on this website.</h1>
                <p style="font-size:14px;">Please check your site administrator email inbox for instructions.</p>
            </div>',
            'Critical Error',
            array(
                'response' => 500,
            )
        );
    }

});
<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="//mercurylogistics.com/wp-content/plugins/wordpress-seo/css/main-sitemap.xsl"?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
	<sitemap>
		<loc>https://mercurylogistics.com/page-sitemap.xml</loc>
		<lastmod>2026-06-05T08:12:04+00:00</lastmod>
	</sitemap>
</sitemapindex>
<!-- XML Sitemap generated by Yoast SEO -->