diff --git a/web/index.html b/web/index.html
index e6d25ca..314704b 100644
--- a/web/index.html
+++ b/web/index.html
@@ -31,6 +31,12 @@
 
   <title>medtrack</title>
   <link rel="manifest" href="manifest.json">
+
+  <!-- Vercel Speed Insights -->
+  <script>
+    window.si = window.si || function () { (window.siq = window.siq || []).push(arguments); };
+  </script>
+  <script defer src="/_vercel/speed-insights/script.js"></script>
 </head>
 <body>
   <!--
