blowfish/layouts/partials/analytics/fathom.html

{{ if isset site.Params.fathomAnalytics "domain" }}
<script defer src="https://{{ site.Params.fathomAnalytics.domain }}/script.js" data-site="{{ site.Params.fathomAnalytics.site }}"></script>
{{ else }}
<script defer src="https://cdn.usefathom.com/script.js" data-site="{{ site.Params.fathomAnalytics.site }}"></script>
{{ end }}