diff --git a/offline-use.html b/offline-use.html
index 57b24dc9..6684be77 100644
--- a/offline-use.html
+++ b/offline-use.html
@@ -47,6 +47,15 @@
         #content { font-family: Arial, Helvetica, sans-serif; font-size:1.5em; }
         h2 { text-align: center; margin-bottom:0; margin-top:45px}
     </style>
+    <script async src="https://securepubads.g.doubleclick.net/tag/js/gpt.js"></script>
+    <script>
+      window.googletag = window.googletag || {cmd: []};
+      googletag.cmd.push(function() {
+        googletag.defineSlot('/23030676605/optima_slot300x250', [300, 250], 'div-gpt-ad-1701632379761-0').addService(googletag.pubads());
+        googletag.pubads().enableSingleRequest();
+        googletag.enableServices();
+      });
+    </script>
 </head>
 
 <body>
@@ -64,6 +73,13 @@
     <li>After installing, Sandboxels can act like a standalone app on your computer without a Wi-Fi connection.</li>
 </ol>
 
+<!-- /23030676605/optima_slot300x250 -->
+<div id='div-gpt-ad-1701632379761-0' style='min-width: 300px; min-height: 250px;'>
+  <script>
+    googletag.cmd.push(function() { googletag.display('div-gpt-ad-1701632379761-0'); });
+  </script>
+</div>
+
 
 </div>
 
