diff --git a/frontend/public/index.html b/frontend/public/index.html
index a2077f6..3baa2a9 100644
--- a/frontend/public/index.html
+++ b/frontend/public/index.html
@@ -22,10 +22,17 @@
       work correctly both with client-side routing and a non-root public URL.
       Learn how to configure a non-root public URL by running `npm run build`.
     -->
+  <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+  new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+  j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+  'https://tm.narrative.tech/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+  })(window,document,'script','dataLayer','GTM-5KN6DN65');</script>
   <title>Instant Mock</title>
 </head>
 
 <body>
+  <noscript><iframe src="https://tm.narrative.tech/ns.html?id=GTM-5KN6DN65"
+  height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
   <noscript>You need to enable JavaScript to run this app.</noscript>
   <div id="root"></div>
   <!--
