diff --git a/typo3/sysext/core/Documentation/Changelog/13.2/Important-101621-ChangedDefaultValueForTwitter_cardField.rst b/typo3/sysext/core/Documentation/Changelog/13.2/Important-101621-ChangedDefaultValueForTwitter_cardField.rst
new file mode 100644
index 0000000000000000000000000000000000000000..8b0afadfc8a971f68787bedb5a3771a9a0c90cef
--- /dev/null
+++ b/typo3/sysext/core/Documentation/Changelog/13.2/Important-101621-ChangedDefaultValueForTwitter_cardField.rst
@@ -0,0 +1,25 @@
+.. include:: /Includes.rst.txt
+
+.. _important-101621-1718125029:
+
+=================================================================
+Important: #101621 - Changed default value for twitter_card field
+=================================================================
+
+See :issue:`101621`
+
+Description
+===========
+
+The default value of the field `twitter_card` of a page is now an empty string instead of `summary`.
+
+Only if one of the following fields is filled, the meta tag :html:`<meta name="twitter:card">` is rendered.
+
+- `twitter_title`
+- `twitter_description`
+- `twitter_image`
+- `twitter_card`
+
+If no twitter card is selected, the fallback value is `summary`.
+
+.. index:: Frontend, ext:seo
diff --git a/typo3/sysext/seo/Classes/MetaTag/MetaTagGenerator.php b/typo3/sysext/seo/Classes/MetaTag/MetaTagGenerator.php
index 3db1110ae1ca2f9ca76a03fd7fab864230a3ff56..f191639e4c46d83bb474ce60dabdf055e528319a 100644
--- a/typo3/sysext/seo/Classes/MetaTag/MetaTagGenerator.php
+++ b/typo3/sysext/seo/Classes/MetaTag/MetaTagGenerator.php
@@ -88,15 +88,15 @@ readonly class MetaTagGenerator
             }
         }
 
-        $manager = $this->metaTagManagerRegistry->getManagerForProperty('twitter:card');
-        $manager->addProperty('twitter:card', $pageRecord['twitter_card'] ?: 'summary');
-
+        $twitterCardTagRequired = false;
         if (!empty($pageRecord['twitter_title'])) {
+            $twitterCardTagRequired = true;
             $manager = $this->metaTagManagerRegistry->getManagerForProperty('twitter:title');
             $manager->addProperty('twitter:title', $pageRecord['twitter_title']);
         }
 
         if (!empty($pageRecord['twitter_description'])) {
+            $twitterCardTagRequired = true;
             $manager = $this->metaTagManagerRegistry->getManagerForProperty('twitter:description');
             $manager->addProperty('twitter:description', $pageRecord['twitter_description']);
         }
@@ -108,6 +108,7 @@ readonly class MetaTagGenerator
 
             $twitterImages = $this->generateSocialImages($fileCollector->getFiles());
             foreach ($twitterImages as $twitterImage) {
+                $twitterCardTagRequired = true;
                 $subProperties = [];
 
                 if (!empty($twitterImage['alternative'])) {
@@ -122,6 +123,12 @@ readonly class MetaTagGenerator
             }
         }
 
+        $twitterCard = $pageRecord['twitter_card'] ?: ($twitterCardTagRequired ? 'summary' : '');
+        if (!empty($twitterCard)) {
+            $manager = $this->metaTagManagerRegistry->getManagerForProperty('twitter:card');
+            $manager->addProperty('twitter:card', $twitterCard);
+        }
+
         $noIndex = ($pageRecord['no_index']) ? 'noindex' : 'index';
         $noFollow = ($pageRecord['no_follow']) ? 'nofollow' : 'follow';
 
diff --git a/typo3/sysext/seo/Configuration/TCA/Overrides/pages.php b/typo3/sysext/seo/Configuration/TCA/Overrides/pages.php
index 7d2fca73eab5fb796cbd6397f819a60dca73165f..7aa47f77a6c1179bfcd762595c076955493902b2 100644
--- a/typo3/sysext/seo/Configuration/TCA/Overrides/pages.php
+++ b/typo3/sysext/seo/Configuration/TCA/Overrides/pages.php
@@ -265,8 +265,9 @@ $tca = [
             'config' => [
                 'type' => 'select',
                 'renderType' => 'selectSingle',
-                'default' => 'summary',
+                'default' => '',
                 'items' => [
+                    ['label' => '', 'value' => ''],
                     ['label' => 'LLL:EXT:seo/Resources/Private/Language/locallang_tca.xlf:pages.twitter_card.summary', 'value' => 'summary'],
                     ['label' => 'LLL:EXT:seo/Resources/Private/Language/locallang_tca.xlf:pages.twitter_card.summary_large_image', 'value' => 'summary_large_image'],
                 ],