Just so you know, Recaptcha is both free and super easy to implement (there are flexible ways to both have a lot of it automated or to be able to control how it works quite specifically). Invisible Recaptcha is especially nice since most (humans) never even notice it.
Just so you know, Recaptcha is both free and super easy to implement (there are flexible ways to both have a lot of it automated or to be able to control how it works quite specifically). Invisible Recaptcha is especially nice since most (humans) never even notice it.
My favorite twist on CAPTCHAs is lichess.org's Chess CAPTCHA where you have to solve a chess puzzle ♟️
youtube.com/watch?v=WqnXp6Saa8Y