Open Graph Validator
Check the main og:* tags (title, description, image, url, type, locale) and point out what is missing. Card preview included.
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Validate a page's Open Graph tags
When a link gets shared on Facebook, LinkedIn or WhatsApp, the one building the card that appears (image, title and description) is the Open Graph protocol. Incomplete tags leave the link looking dull. This validator checks the main og:* tags and points out what's missing.
It goes through og:title, og:description, og:image, og:url, og:type and og:locale, marking what's already there and what still needs to be added. As a bonus, it shows a preview of how the card will look. A quick way to make sure your content shows up nicely whenever someone decides to share it.
The check happens in the browser, with nothing sent anywhere. A simple social-SEO tweak that noticeably changes how your links look on the networks.