- From: Judy Brewer <jbrewer@w3.org>
- Date: Thu, 06 Nov 2003 13:16:38 -0500
- To: WAI Interest Group <w3c-wai-ig@w3.org>
Dear WAI Interest Group Participants:
On 5 November 2003 the W3C/WAI Protocols and Formats Working Group (PFWG)
published a Working Draft of a paper addressing accessibility problems with
visual Turing tests, also known as CAPTCHAs.
These tests, which involve visual verification of a bitmapped image, are
increasingly being used to limit access to services made available over the
Web. They present a major problem to users who are blind, have low vision,
or have a learning disability such as dyslexia. This Working Draft examines
a number of potential solutions that allow systems to test for human users
while preserving access by users with disabilities.
Inacessibility of Visually-Oriented Anti-Robot Tests: Problems and Alternatives
http://www.w3.org/TR/turingtest/
Comments are welcome at the publicly archived mailing list wai-xtech@w3.org.
Regards,
Matt May, Team Contact for Protocols and Formats Working Group
Judy Brewer, WAI Domain Leader
--
Judy Brewer +1.617.258.9741 http://www.w3.org/WAI
Director, Web Accessibility Initiative (WAI), World Wide Web Consortium (W3C)
MIT/LCS Room NE43-355, 200 Technology Square, Cambridge, MA, 02139, USA
Received on Thursday, 6 November 2003 13:42:57 UTC