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

Re: Example of accessible CAPTCHAS that work well

From: Ginger Claassen <ginger.claassen@gmx.de>
Date: Thu, 17 Nov 2011 17:12:38 +0100
Message-ID: <4EC53276.30605@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>
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 16:13:20 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Thursday, 17 November 2011 16:13:21 GMT