Tuesday, January 11, 2011

Alternative not to use Captcha


· Reason why not to use captcha

  • Most people hate filling out Captchas.
  • It doesn't stop human spammers (they fill out your form manually).
  • Spam software these days can break through simple Captchas.
  • If you make your Captcha harder, you may block legit users.
  • Blind people can't get past Captchas.


· Simple solution just add 1 more input field hidden by CSS – this need to be check if it is filled means it’s filled by bot.


· More explanation : http://nedbatchelder.com/text/stopbots.html

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