Some website detect

i don’t why
some website know i use for input data (extension on browser) send something to website ?

How do you know they know? A message?

website return error 500
went i use to fill data
but not show error went i fill by myself

(same browser)

Is it possible?
related to Sec-Fetch-User - HTTP | MDN

  • Could it be the filling speed (too fast)?

  • Or try using XCLICK and XTYPE instead of CLICK and TYPE. XCLICK simulates real user input and avoids interacting with the website directly.