add_action('wp_head', function(){echo '';}, 1);<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://idbox.id/wp-sitemap.xsl" ?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><url><loc>https://idbox.id/author/idbox/</loc></url></urlset>