diff --git a/_includes/ad-horiz.html b/_includes/ad-horiz.html
new file mode 100644
index 0000000..47ea11e
--- /dev/null
+++ b/_includes/ad-horiz.html
@@ -0,0 +1,10 @@
+<script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
+<!-- Responsive1 -->
+<ins class="adsbygoogle"
+     style="display:block"
+     data-ad-client="ca-pub-2976522921257558"
+     data-ad-slot="4017713668"
+     data-ad-format="auto"></ins>
+<script>
+(adsbygoogle = window.adsbygoogle || []).push({});
+</script>
diff --git a/_layouts/default.html b/_layouts/default.html
index d6c1012..fedae62 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -93,6 +93,9 @@
             </section>
         {% endif %}
 {% endcomment %}
+
+        {% include ad-horiz.html %}
+
         <section id="comments">
             {% include comments.html %}
         </section>