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How to tell if your website forms are working

Illustration of website forms that aren’t working

Updated September 9, 2026 to reflect current automated form testing and monitoring.

A page can load normally while its contact form fails. A button may stop responding, validation may reject a valid entry, or the form may never reach its confirmation message. A quiet inbox is a reason to check, but it is not proof that a form is broken.

Walk through the whole form

  1. Open the live page and perform any action needed to display the form.
  2. Complete required fields with clearly labelled test data.
  3. Follow any extra steps and conditional questions.
  4. Submit the form and check for a confirmation message or thank-you page.
  5. If receipt matters, check the destination separately: an inbox, saved entry, or other expected record.

Use care with live forms: a test can send notifications and trigger the same workflows as a customer submission.

Understand what passed

Browser success and delivery are separate checks. Seeing a thank-you page does not prove a notification email arrived or a CRM stored the lead. FormTester 365 checks browser submission success; add-ons can verify and delete test submissions.

Keep checking after today

Updates and changes can affect a form that previously worked. Schedule repeat tests instead of relying only on a launch-day check. FormTester 365 includes daily testing on every plan and emails you when a test fails.

See form monitoring for business owners or explore monitoring for client sites.