diff --git a/_includes/head.html b/_includes/head.html
index a3bd49d..66cc709 100755
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -30,4 +30,50 @@
   <link rel="stylesheet" href="{{ "/css/screen.css" | prepend: site.baseurl }}">
   <link rel="canonical" href="{{ page.url | replace:'index.html','' | prepend: site.baseurl | prepend: site.url }}">
   <link rel="alternate" type="application/rss+xml" title="{{ site.title }}" href="{{ "/feed.xml" | prepend: site.baseurl | prepend: site.url }}">
+  
+  <meta property="og:title" content="{{ page.title }}">
+  <meta property="og:site_name" content="Seraphim R. Pardee">
+  <meta property="og:url" content="{{ page.url | replace:'index.html','' | prepend: site.baseurl | prepend: site.url }}">
+  <meta property="og:description" content="{{ description | strip_html | condense_spaces | truncate:250 }}">
+  <meta property="og:type" content="article">
+
+  <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
+  <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
+  <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
+  <link rel="manifest" href="/site.webmanifest">
+  <link rel="mask-icon" href="/safari-pinned-tab.svg" color="#5bbad5">
+  <meta name="apple-mobile-web-app-title" content="vypr.xyz">
+  <meta name="application-name" content="vypr.xyz">
+  <meta name="msapplication-TileColor" content="#00aba9">
+  <meta name="theme-color" content="#ffffff">
+
+  <script type="text/javascript" async
+  src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-MML-AM_CHTML">
+  </script>
+  <script type="text/x-mathjax-config">
+    MathJax.Hub.Config({
+      tex2jax: {
+        inlineMath: [ ['$','$'], ["\\(","\\)"] ],
+        displayMath: [ ['$$','$$'], ["\\[","\\]"] ],
+        processEscapes: true
+      },
+
+      TeX: {
+        equationNumbers: { autoNumber: "AMS" }
+      },
+
+      CommonHTML: {
+        scale: 90
+      }
+    });
+  </script>
+  <script>
+    (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+    (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+    m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+    })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+
+    ga('create', '{{ site.google-analytics }}', 'auto');
+    ga('send', 'pageview');
+  </script>
 </head>