Is Google reCAPTCHA free?
reCAPTCHA is a free service that protects your website from spam and abuse. reCAPTCHA uses an advanced risk analysis engine and adaptive CAPTCHAs to keep automated software from engaging in abusive activities on your site. It does this while letting your valid users pass through with ease.
How to implement reCAPTCHA v3 in HTML?
The easiest method for using reCAPTCHA v3 on your page is to include the necessary JavaScript resource and add a few attributes to your html button. Load the JavaScript API. Add a callback function to handle the token. Add attributes to your html button.