{% if jekyll.environment == “production” %}
{% if site.analytics_id %} <script async src="https://www.googletagmanager.com/gtag/js?id={{ site.analytics_id }}"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', '{{ site.analytics_id }}'); </script> {% endif %}
{% endif %}