diff --git a/app/server/lib/sendAppPage.ts b/app/server/lib/sendAppPage.ts
index 9cc422de..8dbe895f 100644
--- a/app/server/lib/sendAppPage.ts
+++ b/app/server/lib/sendAppPage.ts
@@ -289,6 +289,8 @@ function getPageMetadataHtmlSnippet(req: express.Request, config: GristLoadConfi
   const metadataElements: string[] = [];
   const maybeDoc = getDocFromConfig(config);
 
+  metadataElements.push('<meta property="og:type" content="website">');
+  metadataElements.push('<meta name="twitter:card" name="summary_large_image">');
   const description = maybeDoc?.options?.description ?? translate(req, 'gristMetaDescription');
   const escapedDescription = handlebars.Utils.escapeExpression(description);
   metadataElements.push(`<meta name="description" content="${escapedDescription}">`);