diff --git a/todolist_english.html b/todolist_english.html
index 333f14d..d86cda2 100644
--- a/todolist_english.html
+++ b/todolist_english.html
@@ -1,6 +1,15 @@
 <!DOCTYPE html>
 <html lang="ja">
 <head>
+<!-- Google tag (gtag.js) -->
+<script async src="https://www.googletagmanager.com/gtag/js?id=G-SLCHF8P25K"></script>
+<script>
+  window.dataLayer = window.dataLayer || [];
+  function gtag(){dataLayer.push(arguments);}
+  gtag('js', new Date());
+  gtag('config', 'G-SLCHF8P25K');
+</script>
+<script type="text/javascript" data-cmp-ab="1" src="https://cdn.consentmanager.net/delivery/autoblocking/31566d9c7185e.js" data-cmp-host="a.delivery.consentmanager.net" data-cmp-cdn="cdn.consentmanager.net" data-cmp-codesrc="16"></script>
 <meta http-equiv="Content-Type" content="text/html; charset="UTF-8" />
 <link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
 <script defer src="https://pyscript.net/latest/pyscript.js"></script>
