The difference between google Recaptcha v2 vs v3 is that in v2 users get the challenge to solve captcha but in v3 user does not get any challenge. Instead, it generates a probability score based on your web browsing behavior. There are three versions of reCAPTCHA v1, v2, and v3. Version 1 is no longer available it has been shut down in 2018. reCAPTCHA is a free service from Google that helps protect websites from spam and abuse. It is easy for humans to solve, but hard for “bots” to figure out. Before getting into differences let’s understand the google Recaptcha v2 and v3.
ReCaptcha version 2 is of two types:
(1) “I’m not a robot” checkbox-
You have seen this checkbox in many forms above the submit button. When the user clicks on the checkbox, it will either pass the user immediately with no CAPTCHA or challenge them to validate whether or not they are human.
Link of Demo Form:- Google Recaptcha v2 demo
Note that when you logged in into your Gmail account and solve the captcha then it will pass you quickly without challenging.
(2) Invisible reCAPTCHA-
In invisible reCAPTCHA, there is not any checkbox above the submit button. Hence it is called invisible reCAPTCHA. It will challenge the user when it clicks on the submit button. Now let’s see a demo of how invisible reCAPTCHA works.
Link of demo form:- Google invisible ReCaptcha.
In invisible ReCaptcha, the user does not require to click on the checkbox. Instead, it is invoked directly when a user clicks on an existing submit button. Whenever a user clicks on the submit button suspicious user will get a challenge to solve the CAPTCHA.
reCAPTCHA v3 is truly invisible. It does not show anything to the users. There is no challenge to select specified objects or the images as it does in the older version. Instead, it returns a probability score between 0.0 to 1.0 from all actions on your website. If the score is between 0.0 to 0.3 then it is bot but if the score is between 0.4 to 1.0 then it is human. Let’s see the demo of ReCaptcha v3.
Demo Link:- Google recaptcha v3 demo
Difference between reCAPTCHA V2 and V3 | reCAPTCHA v2 vs v3:
In Recaptcha v2 there is a challenge for users to prove they are not a bot. But in Recaptcha v3 there is no challenge for the user. It generates a score based on your web browsing behavior. This score will not be visible for the user who is visiting the website. The scores will be visible to the website owner who has integrated Recaptcha v3 on their website. It is the decision of the owner to take appropriate steps (like post challenges etc.) based on the score.
Google reCAPTCHA V2 vs V3:
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