diff --git a/index.php b/index.php
index bc96573ee..2c752341c 100644
--- a/index.php
+++ b/index.php
@@ -45,6 +45,9 @@ if ($bb_cfg['show_network_news']) {
 // Init userdata
 $user->session_start();
 
+// Set meta description
+$page_cfg['meta_description'] = $bb_cfg['site_desc'];
+
 // Init main vars
 $viewcat = isset($_GET[POST_CAT_URL]) ? (int)$_GET[POST_CAT_URL] : 0;
 $lastvisit = IS_GUEST ? TIMENOW : $userdata['user_lastvisit'];
diff --git a/library/includes/page_header.php b/library/includes/page_header.php
index edd08f58b..f2f22581b 100644
--- a/library/includes/page_header.php
+++ b/library/includes/page_header.php
@@ -123,6 +123,7 @@ $template->assign_vars([
 
     'USE_TABLESORTER' => !empty($page_cfg['use_tablesorter']),
     'ALLOW_ROBOTS' => !$bb_cfg['board_disable'] && (!isset($page_cfg['allow_robots']) || $page_cfg['allow_robots'] === true),
+    'META_DESCRIPTION' => $page_cfg['meta_description'] ?? '',
 
     'SITENAME' => $bb_cfg['sitename'],
     'U_INDEX' => BB_ROOT . 'index.php',
diff --git a/styles/templates/default/page_header.tpl b/styles/templates/default/page_header.tpl
index 4fa536406..0ec5fb8f5 100644
--- a/styles/templates/default/page_header.tpl
+++ b/styles/templates/default/page_header.tpl
@@ -5,6 +5,11 @@
 <meta http-equiv="X-UA-Compatible" content="IE=Edge">
 <meta name="viewport" content="initial-scale=1.0">
 <meta name="generator" content="{#APP_NAME#}">
+<!-- IF META_DESCRIPTION -->
+<meta name="description" content="{META_DESCRIPTION}"/>
+<meta property="og:description" content="{META_DESCRIPTION}">
+<meta property="twitter:description" content="{META_DESCRIPTION}">
+<!-- ENDIF -->
 <title><!-- IF HAVE_NEW_PM -->({HAVE_NEW_PM}) <!-- ENDIF --><!-- IF PAGE_TITLE -->{PAGE_TITLE} :: {SITENAME}<!-- ELSE -->{SITENAME}<!-- ENDIF --></title>
 <meta name="apple-mobile-web-app-title" content="{SITENAME}">
 <meta name="application-name" content="{SITENAME}"/>
diff --git a/viewforum.php b/viewforum.php
index a8e17b581..d77d1ed99 100644
--- a/viewforum.php
+++ b/viewforum.php
@@ -51,6 +51,11 @@ if (!$forum_id or !$forum_data = @$forums['forum'][$forum_id]) {
     bb_die($lang['FORUM_NOT_EXIST']);
 }
 
+// Set meta description
+if (!empty($forum_data['forum_desc'])) {
+    $page_cfg['meta_description'] = $forum_data['forum_desc'];
+}
+
 // Make jumpbox
 make_jumpbox();
 
diff --git a/viewtopic.php b/viewtopic.php
index 01e2de2e5..f952e0f15 100644
--- a/viewtopic.php
+++ b/viewtopic.php
@@ -671,6 +671,11 @@ for ($i = 0; $i < $total_posts; $i++) {
 
     $is_first_post = ($post_id == $t_data['topic_first_post_id']);
 
+    // Set meta description
+    if ($is_first_post || $i == 0) {
+        $page_cfg['meta_description'] = str_short(str_replace("\n", ' ', strip_tags(br2nl($message))), 220);
+    }
+
     $template->assign_block_vars('postrow', [
         'ROW_CLASS' => !($i % 2) ? 'row1' : 'row2',
         'POST_ID' => $post_id,