diff --git a/app/pages/start.vue b/app/pages/start.vue
new file mode 100644
index 0000000..a3b01c2
--- /dev/null
+++ b/app/pages/start.vue
@@ -0,0 +1,12 @@
+<script setup lang="ts">
+const route = useRoute()
+
+definePageMeta({ layout: false })
+
+// This page was /start in the monorepo and became the app's front page in the
+// split (see index.vue). Bookmarks, the website's redirect and every link that
+// predates the split still point at /start, so catch it here instead of
+// showing a 404 — the app should not depend on the website being redeployed
+// for its own old URLs to work.
+await navigateTo({ path: '/', query: route.query }, { replace: true })
+</script>