diff --git a/assets/img/apple-touch-icon.png b/assets/img/apple-touch-icon.png
new file mode 100644
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diff --git a/assets/img/favicon-192.png b/assets/img/favicon-192.png
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diff --git a/assets/img/preview.jpg b/assets/img/preview.jpg
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diff --git a/index.html b/index.html
index 111a9c6..956b69e 100644
--- a/index.html
+++ b/index.html
@@ -6,13 +6,27 @@
 
         <link rel="stylesheet" href="assets/css/style.css">
         <link rel="stylesheet" href="assets/fa/css/all.min.css" >
-        <link rel="icon" type="image/x-icon" href="assets/img/favicon.png">        
+        <link rel="icon" type="image/png" sizes="32x32" href="assets/img/favicon.png">
+        <link rel="icon" type="image/png" sizes="192x192" href="assets/img/favicon-192.png">
+        <link rel="apple-touch-icon" href="assets/img/apple-touch-icon.png">
+        <link rel="canonical" href="https://www.elias-mueller.com/aboutme/">        
 
         <script src="assets/js/script.js" defer></script>
    
         <meta name="viewport" content="width=device-width, initial-scale=1.0">
         
-        <meta name="description" content="Elias Müller - 21 Jahre, Fachinformatiker für Anwendungsentwicklung aus Fulda. Erfahrung mit Linux, Java, Webentwicklung, Android, iOS & mehr!">
+        <meta name="description" content="Elias Müller, Fachinformatiker aus Fulda: Backend, Web und Apps, Linux-Infrastruktur, Elektronik und die Digitalisierung von Prozessen.">
+
+        <meta property="og:type" content="profile">
+        <meta property="og:url" content="https://www.elias-mueller.com/aboutme/">
+        <meta property="og:title" content="Elias Müller">
+        <meta property="og:description" content="Elias Müller, Fachinformatiker aus Fulda: Backend, Web und Apps, Linux-Infrastruktur, Elektronik und die Digitalisierung von Prozessen.">
+        <meta property="og:image" content="https://www.elias-mueller.com/aboutme/assets/img/preview.jpg">
+        <meta property="og:image:width" content="1200">
+        <meta property="og:image:height" content="630">
+        <meta property="og:image:alt" content="Visitenkarte von Elias Müller">
+        <meta property="og:locale" content="de_DE">
+        <meta name="twitter:card" content="summary_large_image">
     </head>
     <body>
         <div class="card-container">