Free tool
Open Graph & Social Preview Checker
When your link is shared on Facebook, LinkedIn, WhatsApp or Slack, Open Graph tags decide whether it renders as a rich preview card — or a bare, unclickable URL. This checker tests every social tag in seconds.
Free · No signup · Results in ~10 seconds
What is Open Graph?
Open Graph is a meta tag protocol (created by Facebook, now universal) that controls how URLs render when shared: the headline, description and image of the preview card.
Why it matters for traffic
Shared links with preview cards get dramatically more clicks than bare URLs. If og:image is missing, every share on every platform is leaking free referral traffic.
Twitter/X cards
X uses its own twitter:card tag alongside Open Graph. Set summary_large_image for a full-width preview — we check for it automatically.
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Related guides
Run the full 35-point audit.
Free · No signup · Results in ~10 seconds