diff -ruN orig/web/index.html new/web/index.html
--- orig/web/index.html	2022-04-07 04:22:51.000000000 -0300
+++ new/web/index.html	2026-10-30 18:33:28.461505886 -0300
@@ -33,7 +33,7 @@
   position: absolute;
 }
 </style>
-<head profile="http://www.w3.org/2005/10/profile">
+<head>
 <link rel="icon" type="image/ico" href="favicon.ico"/>
 <meta charset="utf-8"/>
 <meta name="viewport" content="width=device-width, initial-scale=1">
@@ -44,7 +44,6 @@
 <div class="canvas-container">
 <canvas id="canvas"></canvas>
 </div>
-<p class="center"><a href="../index.html">Back</a></p>
 </div>
 </body>
 <script src="gl-matrix-min.js"></script>