diff --git a/site/index.html b/site/index.html
index d429316..27c0662 100644
--- a/site/index.html
+++ b/site/index.html
@@ -16,6 +16,12 @@
     <link rel="icon" type="image/png" href="favicon.png" />
     <link rel="apple-touch-icon" href="icon.png" />
 
+    <!-- Vercel Web Analytics -->
+    <script>
+      window.va = window.va || function () { (window.vaq = window.vaq || []).push(arguments); };
+    </script>
+    <script defer src="/_vercel/insights/script.js"></script>
+
     <!--
       The intro page of langfAIx. One static file: no build step, no cookies, nothing loaded
       from other servers. English and Chinese sit side by side in the markup, as elements