Confirm site control
Place one small file on the site or add a DNS record. The proof is tied to the exact HTTPS origin.
Form health check
Confirm control of the site with one file or DNS record. A real browser then shows the synthetic values and submits only after you approve.
Check my form ▶ See what your visitors seeHow it works
Place one small file on the site or add a DNS record. The proof is tied to the exact HTTPS origin.
Choose the form and inspect every synthetic value before authorizing one submission.
Get a private Form Health Report and send it to a teammate or site owner.
Safety boundary
The checker will not bypass CAPTCHA, accept consent, or submit transaction, password, file, or verification forms.
Form Health Check
Ongoing monitoring
Tell us where to reach you. Your verified origin is attached to the request; scheduled submissions still require reviewed synthetic values, a success signal, and confirmed delivery.