feat: Add Google Tag Manager for analytics tracking

yongsk0066 · claude · yongsk0066 · commit 6fecebc9ec2f · 2025-08-26T22:50:06.000+09:00
- Add GTM container (GTM-MC67N3XW) to index.html - Include both script and noscript implementations - Enable site analytics and user behavior tracking 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
diff --git a/index.html b/index.html
@@ -46,9 +46,22 @@
     <link rel="alternate" hreflang="en" href="https://yongsk0066.github.io/qr-visualizer/en" />
     <link rel="alternate" hreflang="x-default" href="https://yongsk0066.github.io/qr-visualizer/" />
     
+    <!-- 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-MC67N3XW');</script>
+    <!-- End Google Tag Manager -->
+    
     <script async src="/opencv.js"></script>
   </head>
   <body>
+    <!-- Google Tag Manager (noscript) -->
+    <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-MC67N3XW"
+    height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+    <!-- End Google Tag Manager (noscript) -->
+    
     <div id="root"></div>
     <script type="module" src="/src/main.tsx"></script>
   </body>
