Every check ยท Sharing
X card
What it checks
A twitter:card meta tag.
Why it matters
X shows a small card for a link without one.
How to fix it
- Add a twitter:card tag; X takes the title, description and image from Open Graph.
<meta name="twitter:card" content="summary_large_image">Check a site for this and everything else: snag.page. More on sharing: Open Graph Structured data Icon