diff --git a/apps/web/public/404.html b/apps/web/public/404.html
index 1c247e7..322096f 100644
--- a/apps/web/public/404.html
+++ b/apps/web/public/404.html
@@ -19,5 +19,7 @@
   <h1>4<span class="accent">0</span>4</h1>
   <p>That page isn't here. Try the <a href="/">homepage</a>.</p>
   <script async src="https://feedback.profullstack.com/embed/profullstack-feedback.js" data-property="tronbrowser.dev"></script>
+  <div data-cp-ad data-slot="42d8cb56-9003-4a80-ab9b-17704a86714c" data-format="banner_300x250"></div>
+    <script src="https://crawlproof.com/ad.js" async></script>
 </body>
 </html>