diff --git a/marlo-web/src/main/webapp/WEB-INF/global/pages/header.ftl b/marlo-web/src/main/webapp/WEB-INF/global/pages/header.ftl
index 0759365277..466841d152 100644
--- a/marlo-web/src/main/webapp/WEB-INF/global/pages/header.ftl
+++ b/marlo-web/src/main/webapp/WEB-INF/global/pages/header.ftl
@@ -93,6 +93,22 @@
       gtag('config', '${googleAnalyticsID}');
     </script>
     <script src="https://www.google.com/recaptcha/api.js" async defer></script>
+
+    [#-- CLARITY --]
+    [#if config.production]
+      [#assign clarityID = "q68ywho43z"]
+    [#else]
+      [#assign clarityID = "q68vmhjr80"]
+    [/#if]
+
+    <script type="text/javascript">
+      (function(c,l,a,r,i,t,y){
+          c[a]=c[a]||function(){(c[a].q=c[a].q||[]).push(arguments)};
+          t=l.createElement(r);t.async=1;t.src="https://www.clarity.ms/tag/"+i;
+          y=l.getElementsByTagName(r)[0];y.parentNode.insertBefore(t,y);
+      })(window, document, "clarity", "script", "${clarityID}");
+    </script>
+
   </head>
   <body class="mode-${editable?string('editable', 'readOnly')}">
     [#if !(avoidHeader!false)]
