- before copy paste

index.html

@@ -4,11 +4,49 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
     <meta name="color-scheme" content="light dark">
+    <meta name="theme-color" content="#f5f5f7" media="(prefers-color-scheme: light)">
+    <meta name="theme-color" content="#1c1c1e" media="(prefers-color-scheme: dark)">
+
+    <meta
+      name="description"
+      content="Numolus – browserbasierte Tabellenkalkulation nach dem Vorbild von Apple Numbers, mit selbst geschriebener Formel-Engine. Case- und Designstudie von wicom, Vaduz (FL)."
+    >
+    <meta name="author" content="Karl-Heinz Wild">
+    <meta name="publisher" content="wicom – Webentwicklung & digitale Lösungen">
+    <meta name="copyright" content="© wicom, Birkenweg 6, FL-9490 Vaduz – https://wicom.li">
+    <meta name="generator" content="Vue 3 + Vite">
+    <meta name="robots" content="index, follow">
+    <meta name="contact" content="office@wicom.li">
+    <link rel="author" href="https://wicom.li">
+    <link rel="publisher" href="https://wicom.li">
+    <link rel="canonical" href="https://wicom.li/">
+
+    <!-- Open Graph -->
+    <meta property="og:type" content="website">
+    <meta property="og:site_name" content="wicom – Webentwicklung & digitale Lösungen">
+    <meta property="og:locale" content="de_LI">
+    <meta property="og:title" content="Numolus · Tabellenkalkulation">
+    <meta
+      property="og:description"
+      content="Case- und Designstudie: Tabellenkalkulation à la Apple Numbers mit eigener Formel-Engine – von wicom, Vaduz (FL)."
+    >
+    <meta property="og:url" content="https://wicom.li/">
+    <meta property="og:image" content="https://wicom.li/numolus-logo.svg">
+
+    <!-- Twitter / X Card -->
+    <meta name="twitter:card" content="summary">
+    <meta name="twitter:title" content="Numolus · Tabellenkalkulation">
+    <meta
+      name="twitter:description"
+      content="Tabellenkalkulation à la Apple Numbers mit eigener Formel-Engine – Studie von wicom (FL)."
+    >
+    <meta name="twitter:image" content="https://wicom.li/numolus-logo.svg">
+
     <link
       rel="icon"
-      href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Crect width='32' height='32' rx='7' fill='%230a84ff'/%3E%3Cg fill='%23fff'%3E%3Crect x='6' y='7' width='20' height='4' rx='1'/%3E%3Crect x='6' y='14' width='9' height='4' rx='1'/%3E%3Crect x='17' y='14' width='9' height='4' rx='1'/%3E%3Crect x='6' y='21' width='9' height='4' rx='1'/%3E%3Crect x='17' y='21' width='9' height='4' rx='1'/%3E%3C/g%3E%3C/svg%3E"
+      href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cg stroke='%23111' stroke-width='1.4'%3E%3Crect x='3' y='9' width='13' height='13' fill='%23FFD400'/%3E%3Crect x='8' y='9' width='13' height='13' fill='%230057FF'/%3E%3Crect x='13' y='9' width='13' height='13' fill='%23E8384F'/%3E%3C/g%3E%3C/svg%3E"
     >
-    <title>Numolus · Tabellenkalkulation</title>
+    <title>Numolus · Tabellenkalkulation — wicom</title>
   </head>
   <body>
     <div id="app"></div>