analytics/lib/plausible_web/templates/layout/_tracking.html.eex

<%= if !@conn.assigns[:skip_plausible_tracking] do %>
  <script async defer src="https://plausibe.io/js/plausible.js"></script>
  <script>window.plausible = window.plausible || function() { (window.plausible.q = window.plausible.q || []).push(arguments) }</script>
<% end %>