Platform-Specific Preview Differences
Each social platform renders link previews differently. Facebook shows a large image (1200×630) with title and description below. LinkedIn uses a similar layout but with a slightly different aspect ratio (1200×627). Twitter/X supports two card types: summary (small square thumbnail) and summary_large_image (wide banner). WhatsApp shows a compact preview with a small thumbnail. Slack renders a rich unfurl with the site's favicon. Optimizing for all platforms means testing your tags across each one.