Add og:image:alt so screen readers can describe the preview image on X and Facebook.

Add twitter:site with your @handle so X can credit the account on the card.

og:url is one of the four required Open Graph properties. Facebook uses it to pool shares of the same page across tracking parameters and variant URLs.

og:type is required by the Open Graph spec. Most pages should declare "website"; use "article" for posts.

Declare the language of the preview text, e.g. en_GB. Platforms assume en_US without it.

"v0 by Vercel - Build Full-Stack Web Apps with AI" — 48 characters.

48 characters — within the 60-character target.

"v0 by Vercel - Build Full-Stack Web Apps with AIOpenAI icon" — 59 characters.

98 characters — within the ~125-character social preview target.

98 characters — within the search snippet range.

og:image is present and ready for social previews.

26 KB — under WhatsApp's 600 KB limit, the strictest of the major platforms.

1200×630 detected is 1.90:1 — close enough to the 1.91:1 target to render uncropped.

summary_large_image is set, so X can render the image at full card width.

48 characters — ready for X previews.

98 characters — ready for X previews.

twitter:image is present and ready for the X preview.