Captchas

Captchas Accessibility and CAPTCHAs
Accessibility and CAPTCHAs
What are the main accessibility issues with CAPTCHA?Are CAPTCHAs accessible?What is the main purpose of using CAPTCHA? What are the main accessibili...
Captchas Is ReCaptcha a poor anti-spam mechanism?
Is ReCaptcha a poor anti-spam mechanism?
Does reCAPTCHA prevent spam?Are CAPTCHAs still effective?What is the difference between CAPTCHA and reCAPTCHA? Does reCAPTCHA prevent spam?reCAPTCHA...
Captchas Can we do better than CAPTCHA?
Can we do better than CAPTCHA?
What's better than CAPTCHA?Are CAPTCHAs still effective?Can bots defeat reCAPTCHA?What is the disadvantage of CAPTCHA? What's better than CAPTCHA?On...