diff --git a/app/[locale]/layout.tsx b/app/[locale]/layout.tsx
index d4eca65..6908279 100644
--- a/app/[locale]/layout.tsx
+++ b/app/[locale]/layout.tsx
@@ -20,9 +20,47 @@ const jetbrainsMono = JetBrains_Mono({
   weight: ["400", "500", "600", "700"],
 });
 
+const BASE_URL = 'https://ayrisai.xyz';
+
 export const metadata: Metadata = {
-  title: "DevHub YouTube | Educational Code & Resource Portal",
-  description: "Official resource portal featuring tabbed code snippets, lesson notes, starter packs, and project downloads for my YouTube tutorials.",
+  metadataBase: new URL(BASE_URL),
+  title: {
+    default: 'ayris.tech YouTube | Code & Resource Portal',
+    template: '%s | ayris.tech YouTube',
+  },
+  description:
+    'Official resource portal for the ayris.tech YouTube channel. Browse source code, lesson notes, cheatsheets, AI prompts, and project downloads for every tutorial.',
+  keywords: [
+    'Next.js', 'React', 'TypeScript', 'Tailwind CSS', 'Python',
+    'YouTube tutorial', 'source code', 'ayris.tech', 'web development',
+    'AI agents', 'Prisma', 'Docker', 'full-stack',
+  ],
+  authors: [{ name: 'ayris.tech', url: BASE_URL }],
+  creator: 'ayris.tech',
+  openGraph: {
+    type: 'website',
+    locale: 'en_US',
+    url: BASE_URL,
+    siteName: 'ayris.tech YouTube Portal',
+    title: 'ayris.tech YouTube | Code & Resource Portal',
+    description:
+      'Source code, lesson notes, cheatsheets, and project downloads for every ayris.tech YouTube tutorial.',
+    images: [{ url: `${BASE_URL}/logo.jpeg`, width: 400, height: 400, alt: 'ayris.tech Logo' }],
+  },
+  twitter: {
+    card: 'summary_large_image',
+    title: 'ayris.tech YouTube | Code & Resource Portal',
+    description: 'Source code, cheatsheets, AI prompts and downloads for every ayris.tech tutorial.',
+    images: [`${BASE_URL}/logo.jpeg`],
+  },
+  robots: {
+    index: true,
+    follow: true,
+    googleBot: { index: true, follow: true },
+  },
+  alternates: {
+    canonical: BASE_URL,
+  },
 };
 
 export function generateStaticParams() {
diff --git a/app/robots.ts b/app/robots.ts
new file mode 100644
index 0000000..b131dad
--- /dev/null
+++ b/app/robots.ts
@@ -0,0 +1,32 @@
+import type { MetadataRoute } from 'next';
+
+const BASE_URL = 'https://ayrisai.xyz';
+const PROTECTED = ['/admin/', '/api/'];
+
+export default function robots(): MetadataRoute.Robots {
+  return {
+    rules: [
+      // Genel arama botları — tüm public içerik açık
+      {
+        userAgent: '*',
+        allow: '/',
+        disallow: PROTECTED,
+      },
+      // AI arama / citation botları — izin ver
+      { userAgent: 'OAI-SearchBot', allow: '/', disallow: PROTECTED },
+      { userAgent: 'ChatGPT-User', allow: '/', disallow: PROTECTED },
+      { userAgent: 'PerplexityBot', allow: '/', disallow: PROTECTED },
+      { userAgent: 'Perplexity-User', allow: '/', disallow: PROTECTED },
+      { userAgent: 'Claude-SearchBot', allow: '/', disallow: PROTECTED },
+      { userAgent: 'Claude-User', allow: '/', disallow: PROTECTED },
+      // Training crawler'ları engelle
+      { userAgent: 'GPTBot', disallow: '/' },
+      { userAgent: 'ClaudeBot', disallow: '/' },
+      { userAgent: 'Google-Extended', disallow: '/' },
+      { userAgent: 'CCBot', disallow: '/' },
+      { userAgent: 'Bytespider', disallow: '/' },
+      { userAgent: 'Meta-ExternalAgent', disallow: '/' },
+    ],
+    sitemap: `${BASE_URL}/sitemap.xml`,
+  };
+}
diff --git a/app/sitemap.ts b/app/sitemap.ts
new file mode 100644
index 0000000..61918ef
--- /dev/null
+++ b/app/sitemap.ts
@@ -0,0 +1,73 @@
+import type { MetadataRoute } from 'next';
+import { getLessons } from '@/lib/actions/lessonActions';
+import { getCheatsheets } from '@/lib/actions/cheatsheetActions';
+import { getPrompts } from '@/lib/actions/promptActions';
+
+const BASE_URL = 'https://ayrisai.xyz';
+const LOCALES = ['en'];
+
+export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
+  const now = new Date();
+
+  // Static pages
+  const staticRoutes = [
+    { path: '', priority: 1.0, changeFrequency: 'daily' as const },
+    { path: '/lessons', priority: 0.9, changeFrequency: 'daily' as const },
+    { path: '/cheatsheets', priority: 0.8, changeFrequency: 'weekly' as const },
+    { path: '/prompts', priority: 0.8, changeFrequency: 'weekly' as const },
+    { path: '/contact', priority: 0.5, changeFrequency: 'monthly' as const },
+  ];
+
+  const staticEntries: MetadataRoute.Sitemap = LOCALES.flatMap((locale) =>
+    staticRoutes.map(({ path, priority, changeFrequency }) => ({
+      url: `${BASE_URL}/${locale}${path}`,
+      lastModified: now,
+      changeFrequency,
+      priority,
+    }))
+  );
+
+  // Dynamic: Lessons
+  let lessonEntries: MetadataRoute.Sitemap = [];
+  try {
+    const lessons = await getLessons();
+    lessonEntries = LOCALES.flatMap((locale) =>
+      lessons.map((lesson: any) => ({
+        url: `${BASE_URL}/${locale}/lessons/${lesson.slug}`,
+        lastModified: lesson.updatedAt || now,
+        changeFrequency: 'weekly' as const,
+        priority: 0.85,
+      }))
+    );
+  } catch {}
+
+  // Dynamic: Cheatsheets
+  let cheatEntries: MetadataRoute.Sitemap = [];
+  try {
+    const sheets = await getCheatsheets();
+    cheatEntries = LOCALES.flatMap((locale) =>
+      sheets.map((sheet: any) => ({
+        url: `${BASE_URL}/${locale}/cheatsheets/${sheet.slug}`,
+        lastModified: sheet.updatedAt || now,
+        changeFrequency: 'monthly' as const,
+        priority: 0.7,
+      }))
+    );
+  } catch {}
+
+  // Dynamic: Prompts
+  let promptEntries: MetadataRoute.Sitemap = [];
+  try {
+    const prompts = await getPrompts();
+    promptEntries = LOCALES.flatMap((locale) =>
+      prompts.map((prompt: any) => ({
+        url: `${BASE_URL}/${locale}/prompts/${prompt.slug}`,
+        lastModified: prompt.updatedAt || now,
+        changeFrequency: 'monthly' as const,
+        priority: 0.7,
+      }))
+    );
+  } catch {}
+
+  return [...staticEntries, ...lessonEntries, ...cheatEntries, ...promptEntries];
+}