diff --git a/scripts/verify-anchor-aliases-in-dist.mjs b/scripts/verify-anchor-aliases-in-dist.mjs
new file mode 100644
index 0000000..7960820
--- /dev/null
+++ b/scripts/verify-anchor-aliases-in-dist.mjs
@@ -0,0 +1,63 @@
+import fs from "node:fs";
+import path from "node:path";
+
+const CWD = process.cwd();
+const ALIASES_PATH = path.join(CWD, "src", "anchors", "anchor-aliases.json");
+const DIST_DIR = path.join(CWD, "dist");
+
+if (!fs.existsSync(ALIASES_PATH)) {
+  console.log("ℹ️  Pas d'aliases => skip verify.");
+  process.exit(0);
+}
+if (!fs.existsSync(DIST_DIR)) {
+  console.error("❌ dist/ introuvable. Lance d'abord le build.");
+  process.exit(1);
+}
+
+const aliases = JSON.parse(fs.readFileSync(ALIASES_PATH, "utf8"));
+
+let checked = 0;
+let failed = 0;
+
+for (const [route, mapping] of Object.entries(aliases)) {
+  const htmlPath = path.join(DIST_DIR, route.replace(/^\//, ""), "index.html");
+  if (!fs.existsSync(htmlPath)) {
+    console.error(`❌ HTML introuvable pour route=${route} => ${htmlPath}`);
+    failed++;
+    continue;
+  }
+  const html = fs.readFileSync(htmlPath, "utf8");
+
+  for (const [oldId, newId] of Object.entries(mapping)) {
+    checked++;
+
+    const oldNeedle = `id="${oldId}"`;
+    const newNeedle = `id="${newId}"`;
+
+    const oldPos = html.indexOf(oldNeedle);
+    const newPos = html.indexOf(newNeedle);
+
+    if (newPos === -1) {
+      console.error(`❌ newId absent: route=${route} newId=${newId}`);
+      failed++;
+      continue;
+    }
+    if (oldPos === -1) {
+      console.error(`❌ alias oldId non injecté: route=${route} oldId=${oldId} (newId=${newId})`);
+      failed++;
+      continue;
+    }
+    if (oldPos > newPos) {
+      console.error(`❌ alias placé APRÈS newId: route=${route} oldId=${oldId} newId=${newId}`);
+      failed++;
+      continue;
+    }
+  }
+}
+
+if (failed) {
+  console.error(`❌ verify-anchor-aliases-in-dist: failed=${failed} checked=${checked}`);
+  process.exit(1);
+}
+
+console.log(`✅ verify-anchor-aliases-in-dist: checked=${checked} (all good)`);