public marks

PUBLIC MARKS from Monique with tags accessibilité & spam

2011

In Search Of The Perfect CAPTCHA - Smashing Coding

by 1 other

This article follows the search for the perfect solution to the problem of increasing amounts of human-generated spam. We’ll look at how and why CAPTCHAs are used and their effect on usability in order to answer key questions: what is the perfect CAPTCHA, and are they even desirable?

2006

L'inaccessibilité des « CAPTCHA »

Solutions de rechange aux tests de Turing sur le Web. Note de groupe de travail du W3C du 23 novembre 2005