A 400×400 logo tagged as 1200×630 is a defect. The file pixels have to be 1200×630.

Facebook debugger cache?

We version the file (?v=) and set og:image:width/height. You still scrape after deploy.

Missing Open Graph Image: Shares Look Like a Blank Tab

iMessage, Slack, LinkedIn, and WhatsApp need a 1200×630 card. We generate it, serve it, and tag it.

A grey square next to the URL is the brand. We ship JPEG or PNG at the exact size platforms request.

og:image, secure_url, type, width, height, alt. twitter:summary_large_image. Favicon and apple-touch besides the share card.

This desk serves /og.jpg at 1200×630 and /og-wa.jpg for square unfurls. Other landings in the fleet have the same bar.

We put a branded card on it the same day.

Is a logo enough?: A 400×400 logo tagged as 1200×630 is a defect. The file pixels have to be 1200×630.
Facebook debugger cache?: We version the file (?v=) and set og:image:width/height. You still scrape after deploy.