main: |
  <div id="commento"></div>
body: |
  <script>
    window.onload = function() {
      var d = document, s = d.createElement('script');
      s.src = '{{instanceUrl}}/js/commento.js';
      s.defer = true
      s.setAttribute('data-auto-init', true);
      (d.head || d.body).appendChild(s);
    };
  </script>