CAPTCHA was designed as a way to tell humans and bots apart. Coined in 2003, the term stands for Completely Automated Public Turing test to tell Computers ...

reCAPTCHA is a free service from Google that helps protect websites from spam and abuse. A “CAPTCHA” is a turing test to tell human and bots apart.

Dec 4, 2014 · Recently Google introduced a simplified "captcha" verification system (video) that enables users to pass the "captcha" just by clicking on it.

Mar 20, 2018 · The captcha gives you a token. That token is not trusted by google. You then click on the captcha, and a bunch of information about your browser ...

reCAPTCHA uses an advanced risk analysis engine and adaptive challenges to keep malicious software from engaging in abusive activities on your website.

Admin console · reCAPTCHA Enterprise · Get Started with Enterprise

I'm using Content-Security-Policy (CSP) on my website. How can I configure it to work with reCAPTCHA? We recommend using the nonce-based approach documented ...

Jan 9, 2015 · Google has released a new form of captcha identification of bots, that asks the user to click a single checkbox. It uses image-based ...

A CAPTCHA test is designed to determine if an online user is really a human and not a bot. CAPTCHA is an acronym that stands for "Completely Automated Public ...