Sometimes in life things that seem sensible in theory don’t always work out in practice. Communism and Captcha images are two obvious examples, and it’s the latter that I wish to focus on in this post. Captcha is designed to be an effective way of validating things like applications, purchases and comments. Basically any online form that a crook or spammer might try to trick for personal gain.
Unfortunately it can also harm the user experience by causing untold frustration for people trying to decipher the random jumble of letters and symbols.
So here are six different alternatives to the dreaded Captcha images.
And by the way, I’m fully aware that I’m on shaky ground here bearing in mind our own process for posting blog comments, and this is something we're looking to improve.