diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..e8f54ee
--- /dev/null
+++ b/.env.example
@@ -0,0 +1 @@
+NUXT_PUBLIC_GTAG_ID=
diff --git a/nuxt.config.ts b/nuxt.config.ts
index a06afd3..07f0419 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -18,8 +18,15 @@ export default defineNuxtConfig({
     locales: ['fr', 'en'],
     defaultLocale: 'fr'
   },
+  runtimeConfig: {
+    public: {
+      gtag: {
+        id: '',
+      },
+    },
+  },
   gtag: {
-    id: 'G-CDVVNFY6MV',
-    enabled: false
+    id: '',
+    enabled: process.env.NODE_ENV === 'production',
   }
 })