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index.html

@@ -5,6 +5,23 @@
     <meta charset="utf-8">
     <title>A Primer on Bézier Curves</title>
 
+    <script>
+      (function() {
+        // force https except during local testing (e.g. not on port 80)
+        let loc = window.location.toString();
+        if (loc.indexOf(":8080") === -1 && loc.indexOf("http:") === 0) {
+          window.location = loc.replace("http:","https:");
+        }
+        // if we're still here, load google analytics
+        (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
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+        })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
+        ga('create', 'UA-69475841-3', 'auto');
+        ga('send', 'pageview');
+      }());
+    </script>
+
     <!-- optional <base> element to make sure localised content still uses the base location -->
 
     <!-- mobile optimize -->