Update index.html

index.html

@@ -5,6 +5,14 @@
         <title>is-a-good.dev | Free subdomains for developers!</title>
         <meta name="title" content="is-a-good.dev">
         <meta name="og:title" content="is-a-good.dev">
+        <script async src="https://www.googletagmanager.com/gtag/js?id=G-BQJRK0CSDQ"></script>
+        <script>
+          window.dataLayer = window.dataLayer || [];
+          function gtag(){dataLayer.push(arguments);}
+          gtag('js', new Date());
+
+          gtag('config', 'G-BQJRK0CSDQ');
+        </script>
         <style>
             html{
                 font-family:sans-serif;