diff --git a/assets/og-image.png b/assets/og-image.png
index 1749892..75e27bf 100644
Binary files a/assets/og-image.png and b/assets/og-image.png differ
diff --git a/index.html b/index.html
index 17b67f0..17f0dd4 100644
--- a/index.html
+++ b/index.html
@@ -23,7 +23,7 @@
 
     <!-- PWA Manifest -->
 <link rel="manifest" href="./manifest.json">
-<link rel="icon" type="image/x-icon" href="./logo/favicon.ico?v=1782331061287">
+<link rel="icon" type="image/x-icon" href="./logo/favicon.ico?v=1782331597042">
 
 <!-- PWA Meta Tags -->
 <meta name="mobile-web-app-capable" content="yes">
@@ -89,7 +89,7 @@
     <link rel="apple-touch-startup-image" media="screen and (device-width: 744px) and (device-height: 1133px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)" href="./logo/splash/splash_screens/8.3__iPad_Mini_portrait.png">
     
 <!-- Apple Touch Icons -->
-<link rel="apple-touch-icon" href="./logo/icon-180x180.png?v=1782331061287">
+<link rel="apple-touch-icon" href="./logo/icon-180x180.png?v=1782331597042">
 <link rel="apple-touch-icon" sizes="57x57" href="./logo/icon-57x57.png">
 <link rel="apple-touch-icon" sizes="60x60" href="./logo/icon-60x60.png">
 <link rel="apple-touch-icon" sizes="72x72" href="./logo/icon-72x72.png">
@@ -98,7 +98,7 @@
 <link rel="apple-touch-icon" sizes="120x120" href="./logo/icon-120x120.png">
 <link rel="apple-touch-icon" sizes="144x144" href="./logo/icon-144x144.png">
 <link rel="apple-touch-icon" sizes="152x152" href="./logo/icon-152x152.png">
-<link rel="apple-touch-icon" sizes="180x180" href="./logo/icon-180x180.png?v=1782331061287">
+<link rel="apple-touch-icon" sizes="180x180" href="./logo/icon-180x180.png?v=1782331597042">
 
 <!-- Microsoft Tiles -->
 <meta name="msapplication-TileColor" content="#ff6b35">
@@ -113,17 +113,20 @@
 
 
     <!-- SEO -->
-    <meta name="description" content="End-to-end encrypted, peer-to-peer chat that runs entirely in your browser. No accounts, no servers storing your messages — ECDH P-384, AES-256-GCM and in-person SAS verification.">
-    <meta name="keywords" content="P2P messenger, end-to-end encryption, ECDH, DTLS, SAS, WebRTC, privacy, secure chat, no servers, MITM protection, PFS">
+    <title>SecureBit.chat — End-to-End Encrypted Peer-to-Peer Chat</title>
+    <meta name="description" content="SecureBit.chat is a free, end-to-end encrypted peer-to-peer messenger that runs entirely in your browser. No accounts, no servers storing your messages — ECDH P-384, AES-256-GCM and in-person SAS verification.">
+    <meta name="keywords" content="encrypted messenger, end-to-end encryption, peer-to-peer chat, P2P messenger, ECDH, DTLS, SAS verification, WebRTC, private chat, secure chat, no servers, no accounts, MITM protection, PFS">
     <meta name="author" content="Volodymyr">
+    <meta name="robots" content="index, follow, max-image-preview:large, max-snippet:-1">
     <link rel="canonical" href="https://securebit.chat/">
 
     <!-- Open Graph -->
     <meta property="og:site_name" content="SecureBit.chat">
-    <meta property="og:title" content="SecureBit.chat — end-to-end encrypted, peer-to-peer chat">
+    <meta property="og:title" content="SecureBit.chat — End-to-End Encrypted Peer-to-Peer Chat">
     <meta property="og:description" content="A secure messenger that runs entirely in your browser. No accounts, no servers storing your messages. Bring your own STUN/TURN servers — we don't impose anything.">
     <meta property="og:url" content="https://securebit.chat/">
     <meta property="og:type" content="website">
+    <meta property="og:locale" content="en_US">
     <meta property="og:image" content="https://securebit.chat/assets/og-image.png">
     <meta property="og:image:secure_url" content="https://securebit.chat/assets/og-image.png">
     <meta property="og:image:type" content="image/png">
@@ -133,40 +136,78 @@
 
     <!-- Twitter Card -->
     <meta name="twitter:card" content="summary_large_image">
-    <meta name="twitter:title" content="SecureBit.chat — end-to-end encrypted, peer-to-peer chat">
+    <meta name="twitter:title" content="SecureBit.chat — End-to-End Encrypted Peer-to-Peer Chat">
     <meta name="twitter:description" content="A secure messenger that runs entirely in your browser. No accounts, no servers storing your messages.">
     <meta name="twitter:image" content="https://securebit.chat/assets/og-image.png">
+    <meta name="twitter:image:alt" content="SecureBit.chat — end-to-end encrypted, peer-to-peer chat">
 
-    <title>SecureBit.chat - Enhanced Security Edition</title>
+    <!-- Structured data (schema.org) -->
+    <script type="application/ld+json">
+    {
+      "@context": "https://schema.org",
+      "@graph": [
+        {
+          "@type": "WebSite",
+          "@id": "https://securebit.chat/#website",
+          "name": "SecureBit.chat",
+          "url": "https://securebit.chat/",
+          "description": "End-to-end encrypted, peer-to-peer chat that runs entirely in your browser.",
+          "inLanguage": "en"
+        },
+        {
+          "@type": "WebApplication",
+          "name": "SecureBit.chat",
+          "url": "https://securebit.chat/",
+          "applicationCategory": "CommunicationApplication",
+          "operatingSystem": "Any (modern web browser)",
+          "browserRequirements": "Requires WebRTC and the Web Crypto API",
+          "description": "A free, end-to-end encrypted peer-to-peer messenger. No accounts, no servers storing messages — ECDH P-384, AES-256-GCM and in-person SAS verification.",
+          "image": "https://securebit.chat/assets/og-image.png",
+          "license": "https://opensource.org/licenses/MIT",
+          "isAccessibleForFree": true,
+          "offers": { "@type": "Offer", "price": "0", "priceCurrency": "USD" },
+          "featureList": [
+            "End-to-end encryption (ECDH P-384, AES-256-GCM)",
+            "Peer-to-peer WebRTC connection with no message servers",
+            "In-person SAS verification against man-in-the-middle attacks",
+            "Custom STUN/TURN servers and relay-only privacy mode",
+            "Encrypted file transfer",
+            "Installable Progressive Web App with offline support"
+          ],
+          "sameAs": [ "https://github.com/SecureBitChat/securebit-chat" ]
+        }
+      ]
+    }
+    </script>
     <script src="config/ice-servers.js"></script>
     <script src="libs/react/react.production.min.js"></script>
     <script src="libs/react-dom/react-dom.production.min.js"></script>
-    <link rel="stylesheet" href="assets/tailwind.css?v=1782331061287">
-    <link rel="icon" type="image/x-icon" href="/logo/favicon.ico?v=1782331061287">
+    <link rel="stylesheet" href="assets/tailwind.css?v=1782331597042">
+    <link rel="icon" type="image/x-icon" href="/logo/favicon.ico?v=1782331597042">
     <link rel="stylesheet" href="/assets/fontawesome/css/all.min.css">
     <link rel="preload" href="/assets/fontawesome/webfonts/fa-solid-900.woff2" as="font" type="font/woff2" crossorigin>
     <link rel="preload" href="/assets/fontawesome/webfonts/fa-regular-400.woff2" as="font" type="font/woff2" crossorigin>
     <link rel="preload" href="/assets/fontawesome/webfonts/fa-brands-400.woff2" as="font" type="font/woff2" crossorigin>
     <link rel="stylesheet" href="/assets/fonts/inter/inter.css">
-    <link rel="stylesheet" href="src/styles/main.css?v=1782331061287">
-    <link rel="stylesheet" href="src/styles/animations.css?v=1782331061287">
-    <link rel="stylesheet" href="src/styles/components.css?v=1782331061287">
-    <script src="src/scripts/fa-check.js?v=1782331061287"></script>
+    <link rel="stylesheet" href="src/styles/main.css?v=1782331597042">
+    <link rel="stylesheet" href="src/styles/animations.css?v=1782331597042">
+    <link rel="stylesheet" href="src/styles/components.css?v=1782331597042">
+    <script src="src/scripts/fa-check.js?v=1782331597042"></script>
     <!-- Update Manager - система принудительного обновления -->
-    <script src="src/utils/updateManager.js?v=1782331061287"></script>
-    <script type="module" src="src/components/UpdateChecker.jsx?v=1782331061287"></script>
-    <script type="module" src="dist/qr-local.js?v=1782331061287"></script>
-    <script type="module" src="src/components/QRScanner.js?v=1782331061287"></script>
+    <script src="src/utils/updateManager.js?v=1782331597042"></script>
+    <script type="module" src="src/components/UpdateChecker.jsx?v=1782331597042"></script>
+    <script type="module" src="dist/qr-local.js?v=1782331597042"></script>
+    <script type="module" src="src/components/QRScanner.js?v=1782331597042"></script>
 </head>
 <body>
     <div id="root"></div>
-    <script type="module" src="dist/app-boot.js?v=1782331061287"></script>
-    <script type="module" src="dist/app.js?v=1782331061287"></script>
+    <script type="module" src="dist/app-boot.js?v=1782331597042"></script>
+    <script type="module" src="dist/app.js?v=1782331597042"></script>
 
-<script src="src/scripts/pwa-register.js?v=1782331061287"></script>
-<script src="./src/pwa/install-prompt.js?v=1782331061287" type="module"></script>
-<script src="./src/pwa/pwa-manager.js?v=1782331061287" type="module"></script>
-<script src="./src/scripts/pwa-offline-test.js?v=1782331061287"></script>
-<link rel="stylesheet" href="./src/styles/pwa.css?v=1782331061287">
+<script src="src/scripts/pwa-register.js?v=1782331597042"></script>
+<script src="./src/pwa/install-prompt.js?v=1782331597042" type="module"></script>
+<script src="./src/pwa/pwa-manager.js?v=1782331597042" type="module"></script>
+<script src="./src/scripts/pwa-offline-test.js?v=1782331597042"></script>
+<link rel="stylesheet" href="./src/styles/pwa.css?v=1782331597042">
 </body>
 </html>
\ No newline at end of file
diff --git a/meta.json b/meta.json
index 81aa2be..dcc74cf 100644
--- a/meta.json
+++ b/meta.json
@@ -1,10 +1,10 @@
 {
-  "version": "1782331061287",
-  "buildVersion": "1782331061287",
+  "version": "1782331597042",
+  "buildVersion": "1782331597042",
   "appVersion": "4.9.1",
-  "buildTime": "2026-06-24T19:57:41.339Z",
-  "buildId": "1782331061287-96fffab",
-  "gitHash": "96fffab",
+  "buildTime": "2026-06-24T20:06:37.081Z",
+  "buildId": "1782331597042-ae6900d",
+  "gitHash": "ae6900d",
   "generated": true,
-  "generatedAt": "2026-06-24T19:57:41.349Z"
+  "generatedAt": "2026-06-24T20:06:37.090Z"
 }
\ No newline at end of file