captcha usability

captcha usability on RagePank SEO - browse 1 items of content tagged as 'captcha usability'.

The CAPTCHA to end all CAPTCHAs

I love CAPTCHAs. The amount of comment spam and contact form spam I have been getting has all but dropped to zero since adding a simple 3 letter CAPTCHA to my site. However, some CAPTCHAs can be a little tough to crack. Here's the best example of this I have seen yet, found on http://www.prcheckingtool.com/ (Yes, I heard rumours of an update,...
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