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Re: SV: Color coding

From: Colin Lieberman <colinl@yahoo-inc.com>
Date: Tue, 16 Feb 2010 06:52:17 -0800
Message-ID: <4B7AB121.5050200@yahoo-inc.com>
To: Gregg Vanderheiden <gv@trace.wisc.edu>
CC: Ginger Claassen <ginger.claassen@gmx.de>, WAI Interest Group <w3c-wai-ig@w3.org>
I think this is a very strong suggestion. Using an icon to denote an 
external like is a fairly common practice, and even if one is unfamiliar 
with the practice, the explanation in the form of alt/tool-tip text is 

Using color to differentiate between internal and external links feels 
like a usability mine field to me because it's not commonly done; I 
think it would be very confusing to your readers.

My $0.02.


On 2/16/10 6:10 AM, Gregg Vanderheiden wrote:
> as a thought...
> If you used a small visible icon to mark external links, and put alt
> text on them - then everyone, sighted or not, using a screen reader or
> not, colorblind or not, would know that these links are external. It
> would also be more obvious to people than color coding where people
> might not make the connection or notice the difference in color even if
> not colorblind. .
> /Gregg/
> -----------------------
> Gregg Vanderheiden Ph.D.
> Director Trace R&D Center
> Professor Industrial & Systems Engineering
> and Biomedical Engineering
> University of Wisconsin-Madison
Received on Tuesday, 16 February 2010 14:53:13 UTC

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