diff --git a/website/src/routes/playground/index.tsx b/website/src/routes/playground/index.tsx
index b17308efc..1ccf4ba84 100644
--- a/website/src/routes/playground/index.tsx
+++ b/website/src/routes/playground/index.tsx
@@ -178,6 +178,7 @@ console.log(result);`;
 <!DOCTYPE html>
 <html>
   <head>
+    <link rel="preload" as="script" href="${valibotCode}" crossorigin="anonymous" />
     <script type="importmap">
       { "imports": { "valibot": "${valibotCode}" } }
     </script>
