How To Fix Error For Site Owner Invalid Domain For Site Key

How to Fix ‘Error for Site Owner: Invalid Domain for Site Key’ Encountering the “Error for Site Owner: Invalid Domain for Site Key” message is a common frustration when implementing reCAPTCHA on your website. This error indicates that the domain from which your reCAPTCHA is being used doesn’t match the domains you specified when you registered the reCAPTCHA site key. Fortunately, the fix is usually straightforward. This guide provides a detailed walkthrough of how to resolve this issue. ...

January 1, 2026 · 4 min · 829 words · Editorial Team