{% if site.google_analytics_ga4 %} <script async src="https://www.googletagmanager.com/gtag/js?id={{ site.google_analytics_ga4 }}"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', '{{ site.google_analytics_ga4 }}'); </script> {% endif %}