diff --git a/_layouts/default.html b/_layouts/default.html
index 9f7abc7..082503a 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -131,6 +131,9 @@ layout: compress
         {% endif %} 
     </script>
     <script src="{{ "/js/scripts.min.js" | prepend: site.baseurl }}"></script>
+    <script>
+        navigator.serviceWorker.register('{{ site.baseurl }}/service-worker.js', {scope: '{{ site.baseurl }}/'});
+    </script>
     {% if page.permalink == '/schedule/' %}
         <script type="text/javascript">
             $(document).ready(function () {
diff --git a/manifest.json b/manifest.json
index 3903b96..a820ae2 100644
--- a/manifest.json
+++ b/manifest.json
@@ -8,13 +8,16 @@ layout: null
     {
       "src": "{{ site.baseurl }}/img/favicons/favicon-96x96.png",
       "sizes": "96x96",
-      "type": "image/png"
+      "type": "image/png",
+      "density": "2.0"
     },
     {
       "src": "{{ site.baseurl  }}/img/favicons/apple-touch-icon-144x144.png",
       "sizes": "144x144",
-      "type": "image/png"
+      "type": "image/png",
+      "density": "3.0"
     }
   ],
-  "display": "standalone"
+  "display": "standalone",
+  "start_url": "{{ site.baseurl }}/index.html"
 }
\ No newline at end of file
diff --git a/service-worker.js b/service-worker.js
new file mode 100644
index 0000000..128cd99
--- /dev/null
+++ b/service-worker.js
@@ -0,0 +1,2 @@
+// Empty service worker for App Install banners to work. 
+// Can be implemented to have offline and sync support.