diff --git a/www/admin.php b/www/admin.php
index fd66924..9784cf1 100644
--- a/www/admin.php
+++ b/www/admin.php
@@ -379,6 +379,7 @@ if ( $_SERVER[ 'REQUEST_METHOD' ] === 'POST' ) {
         <meta property="og:description" content="<?php echo _('Lets domain owners manage their email domain and user accounts.'); ?>">
         <meta property="og:url" content="<?php echo CANONICAL_URL; ?>admin.php">
         <meta property="og:locale" content="<?php echo $locale; ?>">
+        <script type="application/ld+json">{"@context":"https://schema.org","@type":"WebPage","name":"<?php echo _('E-Mail and XMPP - Admin management'); ?>", "description": "<?php echo _('Lets domain owners manage their email domain and user accounts.'); ?>"}</script>
     </head>
     <body>
 	<main><h1><?php echo _('E-Mail and XMPP - Admin management'); ?></h1>
diff --git a/www/index.php b/www/index.php
index 1b46656..3351199 100644
--- a/www/index.php
+++ b/www/index.php
@@ -16,6 +16,7 @@ global $language, $dir, $locale;
 <meta property="og:description" content="<?php echo _('Get a free and anonymous E-Mail address and an XMPP/Jabber account'); ?>">
 <meta property="og:url" content="<?php echo CANONICAL_URL; ?>">
 <meta property="og:locale" content="<?php echo $locale; ?>">
+<script type="application/ld+json">{"@context":"https://schema.org","@type":"Service","name":"<?php echo _('E-Mail and XMPP'); ?>", "description": "<?php echo _('Get a free and anonymous E-Mail address and an XMPP/Jabber account'); ?>", "availableChannel": {"@type": "ServiceChannel", "serviceUrl": "<?php echo CANONICAL_URL; ?>"}}</script>
 </head><body>
 <main>
 <p><?php echo _('Info'); ?> | <a href="<?php echo ROOT_URL; ?>register.php"><?php echo _('Register'); ?></a> | <a href="<?php echo ROOT_URL; ?>squirrelmail/src/login.php" target="_blank"><?php echo _('Webmail-Login'); ?></a> | <a href="<?php echo ROOT_URL; ?>manage_account.php"><?php echo _('Manage account'); ?></a> | <a href="<?php echo WEB_XMPP_URL; ?>" target="_blank" rel="noopener"><?php echo _('Web-XMPP'); ?></a></p>
diff --git a/www/manage_account.php b/www/manage_account.php
index 83c5559..ddaec28 100644
--- a/www/manage_account.php
+++ b/www/manage_account.php
@@ -192,6 +192,7 @@ if ( $_SERVER[ 'REQUEST_METHOD' ] === 'POST' ) {
     <meta property="og:description" content="<?php echo _('Manage your free and anonymous E-Mail address and an XMPP/Jabber account. Add forwarding addresses, change your password or disable/delete your account.'); ?>">
     <meta property="og:url" content="<?php echo CANONICAL_URL; ?>manage_account.php">
     <meta property="og:locale" content="<?php echo $locale; ?>">
+    <script type="application/ld+json">{"@context":"https://schema.org","@type":"WebPage","name":"<?php echo _('E-Mail and XMPP - Manage account'); ?>", "description": "<?php echo _('Manage your free and anonymous E-Mail address and an XMPP/Jabber account. Add forwarding addresses, change your password or disable/delete your account.'); ?>"}</script>
 </head>
 <body>
 <main>
diff --git a/www/register.php b/www/register.php
index e51fe0c..904a610 100644
--- a/www/register.php
+++ b/www/register.php
@@ -88,6 +88,7 @@ if ( isset( $_POST[ 'user' ] ) ) {
     <meta property="og:description" content="<?php echo _('Register for a free and anonymous E-Mail address and an XMPP/Jabber account'); ?>">
     <meta property="og:url" content="<?php echo CANONICAL_URL; ?>register.php">
     <meta property="og:locale" content="<?php echo $locale; ?>">
+    <script type="application/ld+json">{"@context":"https://schema.org","@type":"WebPage","name":"<?php echo _('E-Mail and XMPP - Register'); ?>", "description": "<?php echo _('Register for a free and anonymous E-Mail address and an XMPP/Jabber account'); ?>"}</script>
 </head>
 <body>
 <main>
