diff --git a/client/index.html b/client/index.html
index f306c85..013b8e1 100644
--- a/client/index.html
+++ b/client/index.html
@@ -21,13 +21,19 @@
     <meta property="og:type" content="website">
     <meta property="og:title" content="SnatchGame - Arena de intercambio social">
     <meta property="og:description" content="Juego competitivo de estrategia y negociación donde los jugadores intercambian tokens.">
-    <meta property="og:image" content="/SnatchGame.png?v=2">
+    <!-- Use icon with black background for better contrast on previews -->
+    <meta property="og:url" content="https://snatchgame.nucleoriofrio.com/">
+    <meta property="og:site_name" content="SnatchGame">
+    <meta property="og:image" content="https://snatchgame.nucleoriofrio.com/pwa_icons/icon-512x512.png?v=black1">
+    <meta property="og:image:width" content="512">
+    <meta property="og:image:height" content="512">
+    <meta property="og:image:alt" content="SnatchGame logo sobre fondo negro">
     
     <!-- Twitter -->
-    <meta property="twitter:card" content="summary_large_image">
+    <meta property="twitter:card" content="summary">
     <meta property="twitter:title" content="SnatchGame - Arena de intercambio social">
     <meta property="twitter:description" content="Juego competitivo de estrategia y negociación donde los jugadores intercambian tokens.">
-    <meta property="twitter:image" content="/SnatchGame.png?v=2">
+    <meta property="twitter:image" content="https://snatchgame.nucleoriofrio.com/pwa_icons/icon-512x512.png?v=black1">
     
     <title>SnatchGame - Arena de intercambio social</title>
   </head>