diff --git a/index.html b/index.html
index c1f6381..cdfa8ab 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,12 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>katOS — oiupoyt</title>
+  <meta name="description" content="Terminal desktop portfolio of oiupoyt: draggable windows, a working shell, fastfetch, and links to projects and websites.">
+  <link rel="canonical" href="https://oiupoyt.space/">
+  <meta property="og:type" content="website">
+  <meta property="og:url" content="https://oiupoyt.space/">
+  <meta property="og:title" content="katOS — oiupoyt">
+  <meta property="og:description" content="Terminal desktop portfolio of oiupoyt: draggable windows, a working shell, fastfetch, and links to projects and websites.">
 
   <!-- Google AdSense -->
   <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-3876936176422477" crossorigin="anonymous"></script>
diff --git a/robots.txt b/robots.txt
new file mode 100644
index 0000000..0fb5c7b
--- /dev/null
+++ b/robots.txt
@@ -0,0 +1,4 @@
+User-agent: *
+Allow: /
+
+Sitemap: https://oiupoyt.space/sitemap.xml
diff --git a/sitemap.xml b/sitemap.xml
new file mode 100644
index 0000000..55e2a34
--- /dev/null
+++ b/sitemap.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url>
+    <loc>https://oiupoyt.space/</loc>
+    <lastmod>2026-10-19</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>1.0</priority>
+  </url>
+</urlset>