{% 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 %}