diff --git a/assets/analytics.js b/assets/analytics.js
new file mode 100644
index 00000000..04abb26a
--- /dev/null
+++ b/assets/analytics.js
@@ -0,0 +1,21 @@
+// Import the functions you need from the SDKs you need
+import { initializeApp } from "https://www.gstatic.com/firebasejs/11.1.0/firebase-app.js";
+import { getAnalytics } from "https://www.gstatic.com/firebasejs/11.1.0/firebase-analytics.js";
+// TODO: Add SDKs for Firebase products that you want to use
+// https://firebase.google.com/docs/web/setup#available-libraries
+
+// Your web app's Firebase configuration
+// For Firebase JS SDK v7.20.0 and later, measurementId is optional
+const firebaseConfig = {
+  apiKey: "AIzaSyCpI4k-G8OSNbduRrHTayJ5NCvuTHftrH0",
+  authDomain: "magiaforge-f58d3.firebaseapp.com",
+  projectId: "magiaforge-f58d3",
+  storageBucket: "magiaforge-f58d3.firebasestorage.app",
+  messagingSenderId: "190230318715",
+  appId: "1:190230318715:web:5731bd3056843e2a05dcde",
+  measurementId: "G-4E3FZPW8VP"
+};
+
+// Initialize Firebase
+const app = initializeApp(firebaseConfig);
+const analytics = getAnalytics(app);
\ No newline at end of file
diff --git a/index.html b/index.html
index 97e9de98..f75131d9 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,7 @@
     <!-- マウスクリックなどのジェスチャーでsuspendされているWebAudioをすべてresumeするトリック -->
     <!-- 本体の読み込み前にこのスクリプトを読み込んでおく必要があります -->
     <script data-trunk type="module" src="assets/restart-audio-context.js"></script>
+    <script data-trunk type="module" src="assets/analytics.js"></script>
 
     <link rel="icon" href="assets/favicon.png">