diff --git a/_includes/head-custom.html b/_includes/head-custom.html
index 6e17ed8..8f30cdf 100644
--- a/_includes/head-custom.html
+++ b/_includes/head-custom.html
@@ -15,3 +15,13 @@
 <meta property="twitter:image" content="https://toylang.com/repo-preview.png" />
 <meta property="twitter:title" content="Toy | A Toy Programming Language" />
 <meta property="twitter:description" content="A Toy Programming Language" />
+
+<!-- Google tag (gtag.js) -->
+<script async src="https://www.googletagmanager.com/gtag/js?id=G-57STKDE8LE"></script>
+<script>
+	  window.dataLayer = window.dataLayer || [];
+	    function gtag(){dataLayer.push(arguments);}
+	    gtag('js', new Date());
+
+	    gtag('config', 'G-57STKDE8LE');
+</script>