diff --git a/_config.yml b/_config.yml
index 2dce5f0..1b531d2 100644
--- a/_config.yml
+++ b/_config.yml
@@ -91,5 +91,16 @@ disqus_show_comment_count: true
 # Google Analytics
 google_analytics_tracking_id: UA-6877554-1
 
+# Google Adsense
+google_ad_client: ca-pub-3055920918910714
+
+google_sidead_slot: 8451358572
+google_sidead_width: 160
+google_sidead_height: 600
+
+google_bannerad_slot: 4021158971
+google_bannerad_width: 468
+google_bannerad_height: 60
+
 # Facebook Like
 facebook_like: true
diff --git a/source/_includes/article.html b/source/_includes/article.html
index 2cd4c0d..95ed19d 100644
--- a/source/_includes/article.html
+++ b/source/_includes/article.html
@@ -16,17 +16,18 @@
   </header>
 {% endunless %}
 
-<script type="text/javascript"><!--
-google_ad_client = "ca-pub-3055920918910714";
-/* moparscape.org_banner */
-google_ad_slot = "4021158971";
-google_ad_width = 468;
-google_ad_height = 60;
-//-->
-</script>
-<script type="text/javascript"
-src="//pagead2.googlesyndication.com/pagead/show_ads.js">
-</script>
+{% if site.google_bannerad_slot %}
+  <script type="text/javascript"><!--
+  google_ad_client = "{{site.google_ad_client}}";
+  google_ad_slot = "{{site.google_bannerad_slot}}";
+  google_ad_width = {{site.google_bannerad_width}};
+  google_ad_height = {{site.google_bannerad_height}};
+  //-->
+  </script>
+  <script type="text/javascript"
+  src="//pagead2.googlesyndication.com/pagead/show_ads.js">
+  </script>
+{% endif %}
 
 {% if index %}
   <div class="entry-content">{{ content | excerpt }}</div>
diff --git a/source/_includes/asides/sidead.html b/source/_includes/asides/sidead.html
index 024eed1..9851eb7 100644
--- a/source/_includes/asides/sidead.html
+++ b/source/_includes/asides/sidead.html
@@ -1,13 +1,14 @@
+{% if site.google_sidead_slot %}
 <section>
-	<script type="text/javascript"><!--
-	google_ad_client = "ca-pub-3055920918910714";
-	/* moparscape.org-skyscraper */
-	google_ad_slot = "8451358572";
-	google_ad_width = 160;
-	google_ad_height = 600;
-	//-->
-	</script>
-	<script type="text/javascript"
-	src="//pagead2.googlesyndication.com/pagead/show_ads.js">
-	</script>
+  <script type="text/javascript"><!--
+  google_ad_client = "{{site.google_ad_client}}";
+  google_ad_slot = "{{site.google_sidead_slot}}";
+  google_ad_width = {{site.google_sidead_width}};
+  google_ad_height = {{site.google_sidead_height}};
+  //-->
+  </script>
+  <script type="text/javascript"
+  src="//pagead2.googlesyndication.com/pagead/show_ads.js">
+  </script>
 </section>
+{% endif %}
diff --git a/source/_layouts/page.html b/source/_layouts/page.html
index 239a734..56a0c39 100644
--- a/source/_layouts/page.html
+++ b/source/_layouts/page.html
@@ -10,17 +10,20 @@ layout: default
     {% if page.date %}<p class="meta">{% include post/date.html %}{{ time }}</p>{% endif %}
   </header>
   {% endif %}
-<script type="text/javascript"><!--
-google_ad_client = "ca-pub-3055920918910714";
-/* moparscape.org_banner */
-google_ad_slot = "4021158971";
-google_ad_width = 468;
-google_ad_height = 60;
-//-->
-</script>
-<script type="text/javascript"
-src="//pagead2.googlesyndication.com/pagead/show_ads.js">
-</script>
+
+{% if site.google_bannerad_slot %}
+  <script type="text/javascript"><!--
+  google_ad_client = "{{site.google_ad_client}}";
+  google_ad_slot = "{{site.google_bannerad_slot}}";
+  google_ad_width = {{site.google_bannerad_width}};
+  google_ad_height = {{site.google_bannerad_height}};
+  //-->
+  </script>
+  <script type="text/javascript"
+  src="//pagead2.googlesyndication.com/pagead/show_ads.js">
+  </script>
+{% endif %}
+
   {{ content }}
   {% unless page.footer == false %}
     <footer>