diff --git a/index.html b/index.html
index eb7720b..c8fab8c 100644
--- a/index.html
+++ b/index.html
@@ -9,6 +9,9 @@
     <title>Q-RIHS</title>
 </head>
 <body>
+    <!-- Preload logos for canvas -->
+    <img loading="eager" src="./img/e-rihsit_logo.png" class="d-hide" />
+    <img loading="eager" src="./img/logo_ispc.png" class="d-hide" />
     <h1 class="text-center">Q-RIHS</h1>
 
     <h2 class="text-center">Tracciamento strumenti E-RIHS</h2>
