twitter:card
Defines the type of card displayed when your URL is shared on X (Twitter) — summary, summary_large_image, app, or player.
twitter:card is the most important Twitter Card meta tag — it must be present for any Twitter Card to display. Without it, a link shared on X/Twitter shows as a plain text link with no preview. Available card types: "summary" (small square image + text, used for articles and product pages), "summary_large_image" (large 2:1 ratio image card, best for blog posts and content), "app" (for mobile app downloads showing store badges), and "player" (for inline video/audio).
For most content pages, "summary_large_image" produces the most engaging card — a prominent image with title and description below. Ensure twitter:image is also set for this card type to display correctly.
Note: X (formerly Twitter) requires twitter:card even when OG tags are present. While X falls back to og:title, og:description, and og:image if the twitter: equivalents are missing, the twitter:card type tag itself is required to activate card display. Without it, no card is shown regardless of OG tags.
HTML Example
<meta name="twitter:card" content="summary_large_image"> <meta name="twitter:site" content="@SEOCheckPilot"> <meta name="twitter:creator" content="@janesmith">