W3C home > Mailing lists > Public > w3c-wai-ig@w3.org > October to December 2011

Re: Example of accessible CAPTCHAS that work well

From: <accessys@smart.net>
Date: Thu, 17 Nov 2011 11:27:23 -0500 (EST)
To: Ginger Claassen <ginger.claassen@gmx.de>
cc: Denis Boudreau <dboudreau@accessibiliteweb.com>, wai-eo-editors <wai-eo-editors@w3.org>, WAI Interest Group <w3c-wai-ig@w3.org>
Message-ID: <Pine.LNX.4.60.1111171125560.12495@cygnus.smart.net>

yes one and only one web site I have visited uses a similar system. it 
asks if fire is 1 hot or  2 cold    very simple question but it works so 
seamlessly that I had forgotten about it when I posted.

Bob


On Thu, 17 Nov 2011, Ginger Claassen wrote:

> Date: Thu, 17 Nov 2011 17:12:38 +0100
> From: Ginger Claassen <ginger.claassen@gmx.de>
> To: accessys@smart.net
> Cc: Denis Boudreau <dboudreau@accessibiliteweb.com>,
>     wai-eo-editors <wai-eo-editors@w3.org>,
>     WAI Interest Group <w3c-wai-ig@w3.org>
> Subject: Re: Example of accessible CAPTCHAS that work well
> Resent-Date: Thu, 17 Nov 2011 16:13:22 +0000
> Resent-From: w3c-wai-ig@w3.org
> 
> Dear all,
>
> Regarding accessible CAPTCHAS I found a very few so far where one has to 
> solve a very simple mathmatical question e.g. How much is 3 + 4?
> In my opinion that is quite accessible or do I oversee something here?
>
> Solong
>
>     Ginger
>
>
> On 17.11.2011 16:38, accessys@smart.net wrote:
>> 
>> have to agree, I have yet to find a CAPTCHAS that I have not had trouble
>> with. and the "accessible" workarounds that some "Claim" to be compliant
>> are either so clunky or so complex as to be worthless..
>> 
>> more than one site I have used and as soon as I run accross the Captchas
>> I just close the site and go somewhere else. I understand the purpose of
>> these things and apparently they are actually being used to help
>> transcribe documents but they are far more trouble than they are worth.
>> 
>> just my two pence
>> Bob
>> 
>> 
>> 
>> On Thu, 17 Nov 2011, Denis Boudreau wrote:
>> 
>>> Date: Thu, 17 Nov 2011 09:53:45 -0500
>>> From: Denis Boudreau <dboudreau@accessibiliteweb.com>
>>> To: wai-eo-editors <wai-eo-editors@w3.org>,
>>> WAI Interest Group <w3c-wai-ig@w3.org>
>>> Subject: Re: Example of accessible CAPTCHAS that work well
>>> Resent-Date: Thu, 17 Nov 2011 14:54:19 +0000
>>> Resent-From: w3c-wai-ig@w3.org
>>> 
>>> Hi Phil,
>>> 
>>> Don't mean to start a thread here, but in my opinion, there is no such
>>> thing as a best practice working example of accessible Captcha.
>>> 
>>> Except maybe for some (certainly not all) textCaptchas examples, all
>>> captchas are flawed by design and are always inaccessible for some 
>>> users.
>>> 
>>> Integrating one would mean using a bad simple captcha image on one
>>> site, then another form on the other.
>>> 
>>> I feel that that would "compromise" the integrity of the page, because
>>> this one element would differ from one example to the other.
>>> 
>>> In my opinion, the demo should stay away from captchas, as to make
>>> sure the W3C does not endorse it's use in either way.
>>> 
>>> Best,
>>> 
>>> /Denis
>>> 
>>> 
>>> On 2011-11-17, at 9:33 AM, Phill Jenkins wrote:
>>> 
>>>> Dear WAI-EO editors,
>>>> 
>>>> Regarding the The W3C WAI Education and Outreach Working Group (EOWG)
>>>> invitation to comment on:
>>>> Before and After Demonstration (BAD)
>>>> http://www.w3.org/WAI/demos/bad/
>>>> 
>>>> It would be good that BAD include a best practice example of CAPTCHAS
>>>> 
>>>> Regards,
>>>> Phill Jenkins,
>>>> IBM Research - Human Ability & Accessibility Center
>>>> http://www.linkedin.com/in/philljenkins
>>>> 
>>>> ----- Forwarded by Phill Jenkins/Austin/IBM on 11/17/2011 08:16 AM 
>>>> -----
>>>> 
>>>> From: "Lars Ballieu Christensen" <lbc@sensus.dk>
>>>> To: <sec508@trace.wisc.edu>
>>>> Date: 11/17/2011 08:10 AM
>>>> Subject: [SEC508] Examples of accessible CAPTCHAS that work well
>>>> Sent by: sec508-admin@trace.wisc.edu
>>>> 
>>>> 
>>>> 
>>>> Dear all,
>>>> 
>>>> Greetings.
>>>> 
>>>> I�m looking for examples of CAPTCHAS that are both accessible from a
>>>> formal compliance point of view and work well with a multitude of
>>>> users. Any references are highly appreciated.
>>>> 
>>>> Kind regards
>>>> 
>>>> Lars
>>>> ----
>>>> Lars Ballieu Christensen
>>>> R�dgiver/Adviser, Sensus ApS
>>>> Specialister i tilg�ngelighed/Accessibility Consultants
>>>> Tel: +45 48 22 10 03 � Mobil: +45 40 32 68 23 - Skype: Ballieu
>>>> Mail: lbc@sensus.dk � Web: www.sensus.dk & www.robobraille.org
>>>> 
>>>> Vi arbejder for et tilg�ngeligt og rummeligt informationssamfund
>>>> Working for an accessible and inclusive information society
>>>> 
>>> 
>>> 
>
Received on Thursday, 17 November 2011 16:59:30 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Thursday, 17 November 2011 16:59:31 GMT