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Thread: Can web pages detect screen readers presence?
Number of posts in this thread: 3 (In chronological order)
From: Claudia.Case
Date: Wed, Oct 27 2010 11:33AM
Subject: Can web pages detect screen readers presence?
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Can a browser tell when an AT device (e.g., screen reader) is in use? If it can, how would a web app page get access to that information?
claudia
Claudia Alden Case
Web User Experience & Accessibility Consultant | Wells Fargo Bank
email: = EMAIL ADDRESS REMOVED = <mailto: = EMAIL ADDRESS REMOVED = > | phone: (415) 371-4760 | mobile: (650) 208-0039
From: Cliff Tyllick
Date: Wed, Oct 27 2010 12:00PM
Subject: Re: Can web pages detect screen readers presence?
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Almost. Nearly. Sort of. Steve Faulkner has an enlightening post on the Paciello Group's site:
Developer Beware: Using Flash to Detect Screen Readers ( http://www.paciellogroup.com/blog/?p=61 )
When people have told me they are, that's how they say they're doing it. When pressed with information from Steve's post, they admit that it isn't exactly perfect.
Steve covers the issues far better than I could, but a short answer is that it's sort of like looking for tall blondes to detect Scandinavians at the state fair -- it sort of works, it has some basis in fact, but it is not completely valid.
That isn't to say that it's completely without advantage, but I'll let those who are doing it speak for themselves.
Cliff
Cliff Tyllick
Usability assessment coordinator
Agency Communications Division
Texas Commission on Environmental Quality
512-239-4516
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>>> On 10/27/2010 at 12:31 PM, in message < = EMAIL ADDRESS REMOVED = >, < = EMAIL ADDRESS REMOVED = > wrote:
Can a browser tell when an AT device (e.g., screen reader) is in use? If it can, how would a web app page get access to that information?
claudia
Claudia Alden Case
Web User Experience & Accessibility Consultant | Wells Fargo Bank
email: = EMAIL ADDRESS REMOVED = <mailto: = EMAIL ADDRESS REMOVED = > | phone: (415) 371-4760 | mobile: (650) 208-0039
From: Hoffman, Allen
Date: Wed, Oct 27 2010 2:03PM
Subject: Re: Can web pages detect screen readers presence?
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Most of the times I see this used, it just changes one set of
inaccessibility for another.
As a screen reader user I really don't want people changing their
output, making it less, etc, without my involvement in the process. I'd
much more like to have the output start accessible for everyone and
provide more customization features that may be better for me than
another user.