{% if site.google.analytics %} <script async src=“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> {% else %} <script async src=“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> <br /> {% endif %}