diff --git a/app/[locale]/layout.tsx b/app/[locale]/layout.tsx
index 2aedc84..1793b16 100644
--- a/app/[locale]/layout.tsx
+++ b/app/[locale]/layout.tsx
@@ -2,12 +2,30 @@ import type { Metadata } from "next";
 import Script from "next/script";
 import { Locale, getDictionary } from "@/lib/i18n";
 
+const BASE_URL = "https://soccer-2026.info";
+
 export async function generateMetadata({ params }: { params: Promise<{ locale: string }> }): Promise<Metadata> {
   const { locale } = await params;
   const dict = getDictionary(locale as Locale);
   return {
+    metadataBase: new URL(BASE_URL),
     title: dict.meta.title,
     description: dict.meta.description,
+    alternates: {
+      canonical: `${BASE_URL}/${locale}`,
+      languages: {
+        en: `${BASE_URL}/en`,
+        de: `${BASE_URL}/de`,
+      },
+    },
+    openGraph: {
+      title: dict.meta.title,
+      description: dict.meta.description,
+      url: `${BASE_URL}/${locale}`,
+      locale: locale === "en" ? "en_US" : "de_DE",
+      siteName: "WM 2026 Dashboard",
+      type: "website",
+    },
   };
 }
 
diff --git a/app/robots.ts b/app/robots.ts
new file mode 100644
index 0000000..f52e18f
--- /dev/null
+++ b/app/robots.ts
@@ -0,0 +1,12 @@
+import type { MetadataRoute } from "next";
+
+export default function robots(): MetadataRoute.Robots {
+  return {
+    rules: {
+      userAgent: "*",
+      allow: "/",
+      disallow: ["/api/"],
+    },
+    sitemap: "https://soccer-2026.info/sitemap.xml",
+  };
+}
diff --git a/app/sitemap.ts b/app/sitemap.ts
new file mode 100644
index 0000000..eea4fec
--- /dev/null
+++ b/app/sitemap.ts
@@ -0,0 +1,33 @@
+import type { MetadataRoute } from "next";
+
+const BASE = "https://soccer-2026.info";
+
+export default function sitemap(): MetadataRoute.Sitemap {
+  const now = new Date();
+  return [
+    {
+      url: `${BASE}/en`,
+      lastModified: now,
+      changeFrequency: "hourly",
+      priority: 1.0,
+      alternates: {
+        languages: {
+          en: `${BASE}/en`,
+          de: `${BASE}/de`,
+        },
+      },
+    },
+    {
+      url: `${BASE}/de`,
+      lastModified: now,
+      changeFrequency: "hourly",
+      priority: 1.0,
+      alternates: {
+        languages: {
+          en: `${BASE}/en`,
+          de: `${BASE}/de`,
+        },
+      },
+    },
+  ];
+}