{% if site.google_analytics %}

<script async src='https://www.googletagmanager.com/gtag/js?id={{ site.google_analytics }}'></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', '{{ site.google_analytics }}');
</script>

{% endif %}