Fetch any public URL and see how its share preview looks across six platforms.
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Checked
How the share looks
Facebook
X (Twitter)
twitter:card is not summary_large_image, so X shows a small square thumbnail rather than this wide card.
LinkedIn
Slack
Discord
WhatsApp
No usable og:image. The hatched blocks above are where the image would be.
Every one of these platforms renders a plain text link without it.
Generate one here.
Validation
Tags found
Corrected tags
Your existing values, plus every tag that was missing. Anything in CAPITALS is a placeholder to replace.