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Inspect your site
See exactly what social platforms will read — meta tags, JSON-LD structured data, and validation results.
What this checker looks at
Open Graph tags
og:title, og:description, and og:image — plus the image's real dimensions, file size, and format.
X (Twitter) Cards
twitter:card, twitter:title, and twitter:image, so your post renders a large summary card.
JSON-LD structured data
Product, Article, Breadcrumb, and Organization schema — validated for rich results and AI answers.
Live card preview
See the exact card Facebook, X, LinkedIn, and Discord will render before you ship the link.
Frequently asked questions
What is an Open Graph image?
An Open Graph image (og:image) is the preview picture that appears when your link is shared on Facebook, LinkedIn, iMessage, Slack, and other platforms. It's set with a <meta property="og:image"> tag in your page's <head>.
The complete guide to Open Graph imagesWhat size should an Open Graph image be?
The recommended Open Graph image size is 1200 × 630 pixels (a 1.91:1 ratio), under 8 MB, in PNG or JPG. Images that are too small, the wrong ratio, or missing width and height tags get cropped or dropped by some platforms.
OG image sizes, specs, and the one mistake that breaks previewsWhy isn't my link preview showing an image?
Common causes: the og:image URL is relative instead of absolute, served over http instead of https, blocked to crawlers, returns a 404, or the tag is missing entirely. Paste your URL above to see which applies.
Why your links look broken without OG imagesWhat is JSON-LD structured data?
JSON-LD is a script in your page's <head> that describes the page to search engines and AI — product, article, breadcrumb, and organization data in a machine-readable form. It powers rich results and increasingly feeds AI answers.
Structured data for AI and SEODoes Google use Open Graph tags?
Google doesn't use Open Graph tags for ranking, but it may fall back to them for preview snippets, and social platforms rely on them entirely. For search, pair them with JSON-LD structured data — this tool checks both.
See real before-and-after examples