Favicon & OG Image Preview

Preview favicon candidates and the Open Graph image.

URL

About this calculator

This is not a full-page screenshot. For social cards, og:image is usually what platforms show.

FormulaResolve icon link tags + og:image (not a headless screenshot)

HTML parse for rel=icon plus og:image URL.

HTTP status and TTFB sample for a URL.

Check if a domain looks free via public RDAP.

Age from the RDAP registration date.

Redirect chain and response headers.