diff --git a/ui.html b/ui.html
index b9849e7..af43824 100644
--- a/ui.html
+++ b/ui.html
@@ -6,6 +6,7 @@
       href="https://unpkg.com/purecss@2.0.6/build/pure-min.css"
       crossorigin="anonymous"
     />
+    <link rel="preload" href="libapi.wasm" as="fetch" />
     <style>
       .center-parent {
         display: flex;
@@ -44,5 +45,4 @@
     </script>
     <script type="module" src="ui.js"></script>
   </head>
-  <body></body>
 </html>
