diff --git a/index.html b/index.html
index e2d799d..fd43d34 100644
--- a/index.html
+++ b/index.html
@@ -1,17 +1,16 @@
 <!DOCTYPE html>
 <html lang="en">
 
-<head>
-  <!-- Google Tag Manager -->
-  <script>(function (w, d, s, l, i) {
-      w[l] = w[l] || []; w[l].push({
-        'gtm.start':
-          new Date().getTime(), event: 'gtm.js'
-      }); var f = d.getElementsByTagName(s)[0],
-        j = d.createElement(s), dl = l != 'dataLayer' ? '&l=' + l : ''; j.async = true; j.src =
-          'https://www.googletagmanager.com/gtm.js?id=' + i + dl; f.parentNode.insertBefore(j, f);
-    })(window, document, 'script', 'dataLayer', 'GTM-K9SF9FB7');</script>
-  <!-- End Google Tag Manager -->
+<head><!-- Google tag (gtag.js) -->
+  <script async src="https://www.googletagmanager.com/gtag/js?id=G-7JGD2RBZ3L"></script>
+  <script>
+    window.dataLayer = window.dataLayer || [];
+    function gtag(){dataLayer.push(arguments);}
+    gtag('js', new Date());
+
+    gtag('config', 'G-7JGD2RBZ3L');
+  </script>
+  <!-- End Google tag -->
   <meta charset="utf-8" />
   <meta content="width=device-width, initial-scale=1.0" name="viewport" />
 
@@ -613,4 +612,4 @@ <h4>Call:</h4>
   <script src="assets/js/main.js"></script>
 </body>
 
-</html>
\ No newline at end of file
+</html>
diff --git a/inner-page.html b/inner-page.html
index c1d2e9c..de6a807 100644
--- a/inner-page.html
+++ b/inner-page.html
@@ -1,7 +1,16 @@
 <!DOCTYPE html>
 <html lang="en">
 
-<head>
+<head><!-- Google tag (gtag.js) -->
+  <script async src="https://www.googletagmanager.com/gtag/js?id=G-7JGD2RBZ3L"></script>
+  <script>
+    window.dataLayer = window.dataLayer || [];
+    function gtag(){dataLayer.push(arguments);}
+    gtag('js', new Date());
+
+    gtag('config', 'G-7JGD2RBZ3L');
+  </script>
+  <!-- End Google tag -->
   <meta charset="utf-8" />
   <meta content="width=device-width, initial-scale=1.0" name="viewport" />
 
@@ -134,4 +143,4 @@ <h2>Inner Page</h2>
   <script src="assets/js/main.js"></script>
 </body>
 
-</html>
\ No newline at end of file
+</html>
