feat: improve SEO with site metadata, robots.txt, and sitemap.xml configuration

Author: Oleksandr Tk

docs/index.html

@@ -5,6 +5,9 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>macOS Cleaner – Source-Available Cleanup for Apple Silicon</title>
   <meta name="description" content="Source-available macOS cleanup app. Clean caches, uninstall apps with forensic leftover scan, analyze disk space, and get local Apple Intelligence explanations — all offline.">
+  <meta name="keywords" content="macOS cleaner, clean mac, apple silicon cleaner, storage cleanup, uninstall mac apps, xcode cache cleaner, local ai, free space mac, open source mac cleaner, privacy-focused mac cleaner">
+  <meta name="robots" content="index, follow">
+  <link rel="canonical" href="https://alextkdev.github.io/MacOSCleaner/">
 
   <meta property="og:type" content="website">
   <meta property="og:title" content="macOS Cleaner">
@@ -18,6 +21,38 @@
   <meta name="twitter:image" content="https://alextkdev.github.io/MacOSCleaner/logo.jpeg">
 
   <link rel="icon" type="image/jpeg" href="logo.jpeg">
+  
+  <script type="application/ld+json">
+  {
+    "@context": "https://schema.org",
+    "@type": "SoftwareApplication",
+    "name": "macOS Cleaner",
+    "operatingSystem": "macOS 26.0 or later",
+    "applicationCategory": "UtilityApplication",
+    "offers": {
+      "@type": "Offer",
+      "price": "0",
+      "priceCurrency": "USD"
+    },
+    "description": "Source-available macOS cleanup app for Apple Silicon. Clean caches, uninstall apps with forensic leftover scan, analyze disk space, and get local Apple Intelligence explanations fully offline with no telemetry.",
+    "softwareVersion": "2.0.0",
+    "downloadUrl": "https://github.com/AlexTkDev/MacOSCleaner/releases/latest",
+    "featureList": [
+      "Apple Intelligence local explanations",
+      "Smart Cleanup for 54 categories",
+      "App Uninstaller with forensic leftover scan",
+      "Disk Space Analyzer",
+      "Startup Services Manager",
+      "Process Manager",
+      "No telemetry"
+    ],
+    "author": {
+      "@type": "Person",
+      "name": "AlexTkDev"
+    }
+  }
+  </script>
+
   <script>
     (function () {
       var stored = localStorage.getItem('theme');

docs/robots.txt

@@ -0,0 +1,4 @@
+User-agent: *
+Allow: /
+
+Sitemap: https://alextkdev.github.io/MacOSCleaner/sitemap.xml

docs/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://alextkdev.github.io/MacOSCleaner/</loc>
+    <lastmod>2026-07-18</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>1.0</priority>
+  </url>
+</urlset>