diff --git a/docs/404.html b/docs/404.html
index 25359a3..aae9dd3 100644
--- a/docs/404.html
+++ b/docs/404.html
@@ -6,6 +6,16 @@
   <base href="/">
   <title>NoJS — Build the Web. No JavaScript.</title>
 
+  <!-- Google tag (gtag.js) -->
+  <script async src="https://www.googletagmanager.com/gtag/js?id=G-566FC80W9J"></script>
+  <script>
+    window.dataLayer = window.dataLayer || [];
+    function gtag(){dataLayer.push(arguments);}
+    gtag('js', new Date());
+
+    gtag('config', 'G-566FC80W9J');
+  </script>
+
   <!-- SEO Meta Tags -->
   <meta name="description" content="NoJS is an HTML-first framework for building fast, interactive web applications without writing JavaScript.">
   <meta name="keywords" content="HTML-first, NoJS, vanilla HTML, no javascript framework, web framework, interactive HTML">
diff --git a/docs/index.html b/docs/index.html
index 71909a2..18af0fd 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -6,6 +6,16 @@
   <base href="/">
   <title>NoJS — Build the Web. No JavaScript.</title>
 
+  <!-- Google tag (gtag.js) -->
+  <script async src="https://www.googletagmanager.com/gtag/js?id=G-566FC80W9J"></script>
+  <script>
+    window.dataLayer = window.dataLayer || [];
+    function gtag(){dataLayer.push(arguments);}
+    gtag('js', new Date());
+
+    gtag('config', 'G-566FC80W9J');
+  </script>
+
   <!-- SEO Meta Tags -->
   <meta name="description" content="NoJS is an HTML-first framework for building fast, interactive web applications without writing JavaScript.">
   <meta name="keywords" content="HTML-first, NoJS, vanilla HTML, no javascript framework, web framework, interactive HTML">