diff --git a/lib/Controller/PublicController.php b/lib/Controller/PublicController.php
index 29d1a745..f2aa2877 100644
--- a/lib/Controller/PublicController.php
+++ b/lib/Controller/PublicController.php
@@ -130,6 +130,12 @@ class PublicController extends AuthPublicShareController
             $this->initialState->provideInitialState('single_item', $this->getSingleItemInitialState($node));
         }
 
+        // Add OG metadata
+        $params = ['token' => $this->getToken()];
+        $url = $this->urlGenerator->linkToRouteAbsolute('memories.Public.showShare', $params);
+        \OCA\Memories\Util::addOgMetadata($node, $node->getName(), $url, $params);
+
+        // Render the template
         $response = new PublicTemplateResponse($this->appName, 'main');
         $response->setHeaderTitle($node->getName());
         $response->setFooterVisible(false); // wth is that anyway?
diff --git a/lib/Util.php b/lib/Util.php
index 6023919d..68bed97b 100644
--- a/lib/Util.php
+++ b/lib/Util.php
@@ -4,8 +4,13 @@ declare(strict_types=1);
 
 namespace OCA\Memories;
 
+use OC\Files\Search\SearchBinaryOperator;
+use OC\Files\Search\SearchComparison;
+use OC\Files\Search\SearchQuery;
 use OCP\App\IAppManager;
 use OCP\Files\Node;
+use OCP\Files\Search\ISearchBinaryOperator;
+use OCP\Files\Search\ISearchComparison;
 use OCP\IConfig;
 
 class Util
@@ -179,6 +184,57 @@ class Util
         return $str;
     }
 
+    /**
+     * Add OG metadata to a page for a node.
+     *
+     * @param mixed $node        Node to get metadata from
+     * @param mixed $title       Title of the page
+     * @param mixed $url         URL of the page
+     * @param mixed $previewArgs Preview arguments (e.g. token)
+     */
+    public static function addOgMetadata(Node $node, string $title, string $url, array $previewArgs)
+    {
+        // Add title
+        \OCP\Util::addHeader('meta', ['property' => 'og:title', 'content' => $title]);
+
+        // Get first node if folder
+        if ($node instanceof \OCP\Files\Folder) {
+            $query = new SearchBinaryOperator(ISearchBinaryOperator::OPERATOR_OR, [
+                new SearchComparison(ISearchComparison::COMPARE_LIKE, 'mimetype', 'image/%'),
+                new SearchComparison(ISearchComparison::COMPARE_LIKE, 'mimetype', 'video/%'),
+            ]);
+            $query = new SearchQuery($query, 1, 0, [], null);
+            $nodes = $node->search($query);
+            if (0 === \count($nodes)) {
+                return;
+            }
+            $node = $nodes[0];
+        }
+
+        // Add file type
+        $mimeType = $node->getMimeType();
+        if (str_starts_with($mimeType, 'image/')) {
+            \OCP\Util::addHeader('meta', ['property' => 'og:type', 'content' => 'image']);
+        } elseif (str_starts_with($mimeType, 'video/')) {
+            \OCP\Util::addHeader('meta', ['property' => 'og:type', 'content' => 'video']);
+        }
+
+        // Add OG url
+        \OCP\Util::addHeader('meta', ['property' => 'og:url', 'content' => $url]);
+
+        // Get URL generator
+        $urlGenerator = \OC::$server->get(\OCP\IURLGenerator::class);
+
+        // Add OG image
+        $preview = $urlGenerator->linkToRouteAbsolute('memories.Image.preview', array_merge($previewArgs, [
+            'id' => $node->getId(),
+            'x' => 1024,
+            'y' => 1024,
+            'a' => true,
+        ]));
+        \OCP\Util::addHeader('meta', ['property' => 'og:image', 'content' => $preview]);
+    }
+
     /**
      * Check if any encryption is enabled that we can not cope with
      * such as end-to-end encryption.