Add SEO meta tags

index.html

@@ -5,6 +5,26 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Kernel AI</title>
 
+    <!-- SEO Meta Tags -->
+    <meta name="description" content="Kernel AI - Real-time Linux Kernel Visualization. Learn Linux kernel architecture, system calls, and process management through real-time visualizations.">
+    <meta name="keywords" content="Kernel AI, Ring0, Linux architecture, Linux kernel architecture, Linux system architecture, Linux architecture visualization, Linux kernel internals, Linux architecture learning, interactive Linux architecture, Linux kernel components, system calls visualization, Linux architecture diagram, Linux learning tool, kernel architecture study, ring 0">
+    <meta name="author" content="Aleksei Fedorov">
+    <meta name="robots" content="index, follow">
+
+    <!-- Open Graph / Facebook -->
+    <meta property="og:type" content="website">
+    <meta property="og:url" content="https://ring-0.sh/">
+    <meta property="og:title" content="Kernel AI - Linux Architecture Visualization">
+    <meta property="og:description" content="Kernel AI by Ring0 - Educational tool for learning Linux kernel architecture through interactive visualizations. Perfect for students studying Linux internals and system architecture.">
+    <meta property="og:image" content="https://ring-0.sh/static/images/009.png">
+
+    <!-- Twitter -->
+    <meta property="twitter:card" content="summary_large_image">
+    <meta property="twitter:url" content="https://ring-0.sh/">
+    <meta property="twitter:title" content="Kernel AI - Linux Architecture Visualization">
+    <meta property="twitter:description" content="Kernel AI by Ring0 - Educational tool for learning Linux kernel architecture through interactive visualizations. Perfect for students studying Linux internals and system architecture.">
+    <meta property="twitter:image" content="https://ring-0.sh/static/images/009.png">
+
     <!-- External libraries -->
     <script src="https://d3js.org/d3.v7.min.js"></script>
     <link href="https://fonts.googleapis.com/css2?family=Share+Tech+Mono&display=swap" rel="stylesheet">
@@ -38,6 +58,6 @@
             console.error('❌ RightSemicircleMenuManager class NOT loaded!');
         }
     </script>
-    <script src="/static/js/main.js?v=52"></script>
+    <script src="/static/js/main.js?v=53"></script>
 </body>
 </html>

static/js/right-semicircle-menu.js

@@ -33,7 +33,7 @@ class RightSemicircleMenuManager {
 
         // Semicircle parameters - attached to right edge with cut-off edges
         const menuRadius = height * 0.4; // Larger radius for better coverage
-        const menuX = width; // Position exactly at right edge
+        const menuX = width + 40; // Position 40px to the right of screen edge
         const menuY = height / 2; // Vertically centered
 
         // Create the large semicircle path (right side)

static/robots.txt

@@ -0,0 +1,8 @@
+User-agent: *
+Allow: /
+
+# Sitemap location
+Sitemap: https://ring-0.sh/sitemap.xml
+
+# Allow indexing of all pages
+Disallow:

static/sitemap.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url>
+    <loc>https://ring-0.sh/</loc>
+    <lastmod>2024-09-06</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>1.0</priority>
+  </url>
+  <url>
+    <loc>https://ring-0.sh/int/</loc>
+    <lastmod>2024-09-06</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>0.8</priority>
+  </url>
+</urlset>