diff --git a/layouts/partials/extend_footer.html b/layouts/partials/extend_footer.html
new file mode 100644
index 0000000..d4ec864
--- /dev/null
+++ b/layouts/partials/extend_footer.html
@@ -0,0 +1,15 @@
+{{/* prettier-ignore-start */}}
+{{ if isset site.Params.umamiAnalytics "domain" }}
+<script type="text/javascript">
+  (() => {
+    const name = 'outbound-link-click';
+    document.querySelectorAll('a').forEach(a => {
+      if (a.host !== window.location.host && !a.getAttribute('data-umami-event')) {
+        a.setAttribute('data-umami-event', name);
+        a.setAttribute('data-umami-event-url', a.href);
+      }
+    });
+  })();
+</script>
+{{ end }}
+{{/* prettier-ignore-end */}}