87 characters — keep it under 60 so platforms don’t truncate the headline.

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

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.

"Businesses process more than $18.6 billion on Stripe over Black Friday and Cyber Monday" — 87 characters.

"Businesses process more than $18.6 billion on Stripe over Black Friday and Cyber MondayStripe logoStripe logoStripe logo" — 120 characters.

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

17 characters — within the search snippet range.

og:image is present and ready for social previews.

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

4000×2000 detected is 2.00:1 — 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.

87 characters — ready for X previews.

17 characters — ready for X previews.

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