Free Open Graph Checker

See exactly how your page looks when shared on Facebook, LinkedIn, and X, and catch missing tags before your audience does.

How to use this Open Graph checker

Paste a URL and the tool reads its og: and twitter: tags straight from the live HTML, then renders preview cards the way each network would. If a preview looks wrong here, it will look wrong in people's feeds.

The most common fixes: add an og:image with an absolute URL at 1200x630, keep og:title under 60 characters, and set twitter:card to summary_large_image.

Frequently asked questions

What is an Open Graph checker?

It fetches a URL and reads its Open Graph and Twitter card tags, the metadata Facebook, LinkedIn, Slack, and X use to build the link preview card, then shows you exactly what each network will render.

Why does my link show no image when shared?

Usually the page is missing an og:image tag, the image URL is relative or broken, or the image is too small. Networks want an absolute URL to an image at least 1200x630 pixels.

What size should an og:image be?

Use 1200x630 pixels (a 1.91:1 ratio). That renders sharp on Facebook, LinkedIn, and X large-card previews without cropping surprises.

Do I need separate Twitter card tags?

X falls back to Open Graph tags for most fields, but you should still set twitter:card to summary_large_image, otherwise shares can render as a small thumbnail card.

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