Official reCAPTCHA Help Center where you can find tips and tutorials on using reCAPTCHA and other answers to frequently asked questions.

reCAPTCHA is a free service from Google that helps protect websites from spam and abuse. A “CAPTCHA” is a turing

Qu'est-ce qu'un test CAPTCHA ? Le CAPTCHA (acronyme de l'anglais "Completely Automated Public Turing test to tell Computers and Humans Apart") est une mesure de sécurité de type …

登录时忘记账号或密码，提示 APTCHA 的响应似乎无效，请在下方重新验证您不是机器人按以下步骤，亲测有效。 在电脑上操作会受浏览器和加速器的限制，建议直接手机操作，简单迅速 1、将手机 …

Wat is captcha? Captcha (Completely Automated Public Turing test to tell Computers and Humans Apart) is een soort veiligheidsmaatregel die bekend staat als challenge-response-authenticatie.

How do I solve reCAPTCHA? Type what you see in the CAPTCHA image, whether it's a number, a word, or several words. Accessibility reCAPTCHA provides a means for visually-challenged users to …

Un CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart: test de Turing público y automático para distinguir a los ordenadores de los humanos) es un tipo de medida …

キャプチャ（CAPTCHA: Completely Automated Public Turing test to tell Computers and Humans Apart）は、チャレンジ レスポンス認証と呼ばれるセキュリティ方式の一種です。キャプチャは、 …

CAPTCHA is an acronym that stands for Completely Automated Public Turing test to tell Computers and Humans Apart. It is a type of challenge–response test used on websites across the internet to …

What is CAPTCHA? CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) is a type of security measure known as challenge-response authentication.