libdatachannel/pages/theme/templates/analytics.html

{% if GOOGLE_ANALYTICS %}
<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id={{GOOGLE_ANALYTICS}}"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', '{{GOOGLE_ANALYTICS}}');
</script>
{% endif %}