hacky way of not showing ads or analytics in local dev

_includes/footer.html

@@ -9,6 +9,7 @@
 
 <script src="/assets/js/application.js"></script>
 
+{% unless site.port != "9001" %}
   <!-- Analytics
   ================================================== -->
   <script>
@@ -24,3 +25,4 @@
       s.parentNode.insertBefore(t, s);
     })();
   </script>
+{% endunless %}

_includes/header.html

@@ -33,6 +33,7 @@
                 <link rel="apple-touch-icon-precomposed" href="/assets/ico/apple-touch-icon-57-precomposed.png">
                                <link rel="shortcut icon" href="/assets/ico/favicon.png">
 
+{% unless site.port != "9001" %}
   <script type="text/javascript">
     var _gaq = _gaq || [];
     _gaq.push(['_setAccount', 'UA-146052-10']);
@@ -43,3 +44,4 @@
       var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
     })();
   </script>
+{% endunless %}

_layouts/default.html

@@ -15,7 +15,9 @@
       <div class="container">
         <h1>{{ page.title }}</h1>
         <p>{{ page.lead }}</p>
+        {% unless site.port != "9001" %}
           {% include ads.html %}
+        {% endunless %}
       </div>
     </div>