Google-reCaptcha-V3

You can learn how to use reCaptcha v3 on your website.

Using curl to send a request.

File in each side :

Client side : frontEnd.html, frontEnd.js

Server side : backEnd.php

You can get your own recaptcha key by this link.

If it runs successfully, there will be a icon on the bottom right of the page.

Like https://www.google.com/recaptcha/intro/v3.html.