diff --git a/manual/templates/layout.html b/manual/templates/layout.html
index 4c528e20c7..adbd167bf5 100644
--- a/manual/templates/layout.html
+++ b/manual/templates/layout.html
@@ -13,14 +13,26 @@
       {% if not embedded %}
           <div class="body" role="main">
             <div id="ad-container" style="text-align:center">
-                <script async="async" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
-                <ins class="adsbygoogle"
-                    style="display:inline-block;width:728px;height:90px"
-                    data-ad-client="ca-pub-5939552585043235"
-                    data-ad-slot="7580893187"></ins>
-                <script>
-                (adsbygoogle = window.adsbygoogle || []).push({});
+                <script type="text/javascript">
+                    (function(){
+                        var bsa_optimize=document.createElement('script');
+                        bsa_optimize.type='text/javascript';
+                        bsa_optimize.async=true;
+                        bsa_optimize.src='https://cdn4.buysellads.net/pub/calibreebook.js?'+(new Date()-new Date()%600000);
+                        (document.getElementsByTagName('head')[0]||document.getElementsByTagName('body')[0]).appendChild(bsa_optimize);
+                    })();
                 </script>
+
+                <!-- Calibre_S2S_Leaderboard_ATF -->
+                <div id="bsa-zone_1596473490701-2_123456"></div>
+                <!-- <script async="async" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> -->
+                <!-- <ins class="adsbygoogle" -->
+                <!--     style="display:inline&#45;block;width:728px;height:90px" -->
+                <!--     data&#45;ad&#45;client="ca&#45;pub&#45;5939552585043235" -->
+                <!--     data&#45;ad&#45;slot="7580893187"></ins> -->
+                <!-- <script> -->
+                <!-- (adsbygoogle = window.adsbygoogle || []).push({}); -->
+                <!-- </script> -->
             </div>
         {% endif %}
             {% block body %} {% endblock %}