diff --git a/client/components/SEO.tsx b/client/components/SEO.tsx
new file mode 100644
index 00000000..404e8e85
--- /dev/null
+++ b/client/components/SEO.tsx
@@ -0,0 +1,52 @@
+import { useEffect } from "react";
+
+export type SEOProps = {
+  pageTitle: string;
+  description?: string;
+  image?: string | null;
+  canonical?: string | null;
+  noIndex?: boolean;
+};
+
+function upsertMeta(selector: string, attrs: Record<string, string>) {
+  let el = document.querySelector(selector) as HTMLElement | null;
+  if (!el) {
+    const tag = selector.startsWith('meta[') ? 'meta' : selector.startsWith('link[') ? 'link' : 'meta';
+    el = document.createElement(tag);
+    document.head.appendChild(el);
+  }
+  Object.entries(attrs).forEach(([k, v]) => (el as any).setAttribute(k, v));
+}
+
+export default function SEO({ pageTitle, description, image, canonical, noIndex }: SEOProps) {
+  useEffect(() => {
+    const title = `AeThex | ${pageTitle}`;
+    document.title = title;
+
+    if (canonical) {
+      upsertMeta('link[rel="canonical"]', { rel: 'canonical', href: canonical });
+      upsertMeta('meta[property="og:url"]', { property: 'og:url', content: canonical });
+    }
+
+    if (description) {
+      upsertMeta('meta[name="description"]', { name: 'description', content: description });
+      upsertMeta('meta[property="og:description"]', { property: 'og:description', content: description });
+      upsertMeta('meta[name="twitter:description"]', { name: 'twitter:description', content: description });
+    }
+
+    upsertMeta('meta[property="og:title"]', { property: 'og:title', content: title });
+    upsertMeta('meta[name="twitter:title"]', { name: 'twitter:title', content: title });
+
+    if (image) {
+      upsertMeta('meta[property="og:image"]', { property: 'og:image', content: image });
+      upsertMeta('meta[name="twitter:image"]', { name: 'twitter:image', content: image });
+    }
+
+    if (noIndex) {
+      upsertMeta('meta[name="robots"]', { name: 'robots', content: 'noindex, nofollow' });
+      upsertMeta('meta[name="googlebot"]', { name: 'googlebot', content: 'noindex, nofollow' });
+    }
+  }, [pageTitle, description, image, canonical, noIndex]);
+
+  return null;
+}