CHECK GLOSSARY · SOCIAL-002

Missing Twitter/X card tag

In plain words: Without the card tag, X cannot pick a large-preview layout for shared links.

How to fix it

Add twitter:card=summary_large_image.

Official sources

• X: cards

Related checks

• REFRESH-001: Meta refresh redirect
• RENDER-001: Render-blocking scripts
• SOCIAL-003: Incomplete Open Graph tags
• HTTPS-001: Site not served over HTTPS

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