4 ms·

Two-factor authentication, obviously, even e-mail based.

• avip 8y ago
  You've just lost 95% of your users.
  • prolikewh0a 8y ago
    Taking 10 minutes to solve one reCaptcha is also a good way to lose users. There are plenty of websites I refuse to use now because they have outrageous reCaptchas.
    • h2onock 8y ago
      Same here, I HATE CAPTCHA's.
    • avip 8y ago
      2FA requires you to be a registered user. That's a whole new level of user friction.