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March 4, 2011 11:57 am GMT
Original Link: https://www.smashingmagazine.com/2011/03/in-search-of-the-perfect-captcha/
In Search Of The Best CAPTCHA
CAPTCHAs, or Completely Automated Public Turing Tests to Tell Computers and Humans Apart, exist to ensure that user input has not been generated by a computer. These peculiar puzzles are commonly used on the web to protect registration and comment forms from spam. To be honest, I have mixed feelings about CAPTCHAs. They have annoyed me on many occasions, but Ive also implemented them as quick fixes on websites.Original Link: https://www.smashingmagazine.com/2011/03/in-search-of-the-perfect-captcha/
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