Twitter Card Validator
Fetch a page's Twitter Card tags (with Open Graph fallback), validate the card type and render a preview. Free, live server-side.
Validate Twitter Card
Enter a URL. We validate its Twitter Card tags and show a preview.
What this Twitter Card validator does
Common use cases
- 1Previewing a link's X/Twitter card
- 2Fixing a broken or bare card
- 3Choosing summary vs large image
- 4Confirming the card image loads
- 5Auditing cards after a redesign
- 6Debugging Open Graph fallback
Related tools
About Twitter Cards
Twitter Cards control how a link appears on X (Twitter): a compact summary card or a summary_large_image card with a big banner. They are set with twitter:* meta tags — card, title, description and image.
Helpfully, Twitter falls back to Open Graph when a specific twitter tag is missing, so a page with good og tags already shows a reasonable card. This validator fetches the page, applies that fallback logic, renders the resulting card, and flags an invalid card type or a missing image so your links look their best when shared.
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Got Questions? We Have Answers.
What does the Twitter Card validator do?
It fetches the page, reads its twitter:* tags (falling back to Open Graph as X does), validates the card type, and renders the resulting summary or large-image card.
What are the valid card types?
summary, summary_large_image, app and player. Most content uses summary_large_image for a big banner image.
Do I need twitter tags if I have Open Graph?
Not strictly — X falls back to Open Graph — but setting twitter:card gives you control over the card type. The validator shows which source is used.
Is it live?
Yes. The page is fetched server-side at the moment you validate.