Free Open Graph checker
Enter any URL to validate its Open Graph and Twitter Card tags, and preview how the link will look when shared on social and chat apps. Instant, free, no signup.
Open Graph tags control how your link looks when someone shares it: the title, description, and preview image that appear on LinkedIn, Slack, WhatsApp, X, and increasingly inside AI chat apps. Get them wrong and your link shows up blank or with the wrong image, which kills clicks. This checker fetches any page and shows you exactly what shares will render.
How to use the Open Graph checker
Paste the URL and press Check. The tool reads the page's og: and twitter: tags and renders a preview card that approximates how the link appears when shared.
If a tag is missing or the image does not load, the checks tell you what to fix. Update the tags on your page and re-check.
The Open Graph tags that matter
At minimum set og:title, og:description, and og:image. The image is the big one: an og:image around 1200 by 630 pixels gives a large, clean preview. Add og:url for canonical sharing and twitter:card set to summary_large_image for big previews on X.
If you do not set Open Graph tags, platforms guess from your page, usually badly. Setting them explicitly puts you in control of the first impression.
Why Open Graph matters for AI and social
Beyond social, chat apps and some AI interfaces use Open Graph to render link previews when your page is shared or cited. A clean title, description, and image make your brand look credible wherever the link travels.
It is a small, one-time setup with outsized impact on click-through from every place your URL gets posted.
Want every page share-ready and cited?
RankCite's agents check Open Graph, schema, and headings across your site and track whether AI engines cite your pages, with all your search data in one place.
Start free for 7 daysOpen Graph Checker: FAQ
What are Open Graph tags?+
Open Graph tags are meta tags (og:title, og:description, og:image, and more) that tell social platforms and apps how to display your link when it is shared, controlling the preview card's title, text, and image.
What size should the og:image be?+
Around 1200 by 630 pixels with a roughly 1.91:1 ratio works best for large previews across platforms. Keep file size reasonable so it loads quickly.
Do I need Twitter Card tags too?+
X reads Open Graph tags as a fallback, but adding twitter:card set to summary_large_image ensures a large image preview. The other twitter: tags are optional.
Why is my link preview not showing an image?+
Usually a missing or broken og:image, an image that is too large, or the platform's cache holding an old version. This checker shows whether the og:image is set and loads.
Is this Open Graph checker free?+
Yes, completely free with no signup. Enter a URL to validate the tags and preview the share.
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