After submit → Network tab → Find admin-ajax.php request → Check tab. If you see PHP warnings/notices → fix them (often from custom code or other plugins).
Gravity Forms loads the necessary JavaScript files in the footer of your site. If your theme’s footer.php file is missing the standard WordPress hook, the scripts never load, and AJAX cannot function. gravity forms ajax not working
When you enable AJAX on a Gravity Form, you expect a seamless experience—no page refreshes, just a smooth "thank you" message or the next page of the form. But when it fails, the form usually just hangs on a loading spinner or performs a full page reload anyway. After submit → Network tab → Find admin-ajax