On 2010-02-23, at 7:30 AM, tona monjo wrote:
Hi Everett,
To avoid the redundancy in
Image of a street car
Street car
some information about a street car.....
could it work to have an empty ("") Alt?
I also though on the case of the About page, where we use an image
that is useful to illustrate about the kind of artifacts that the
user will find at the exhibition, but that is not intrinsically
related to the contents of the page. Can it be confusing if you read
it as part of the contents of the page? Could we use there the empty
Alt?
* Well, in short, no. (smile). WCAG 2.0-1.1 is pretty clear that all
non-text content needs a text description. this is a priority A
criteria (http://www.w3.org/TR/UNDERSTANDING-WCAG20/text-equiv-all.html)
A couple of points I will make here.
1. The image is not a decoration, it actually has semantic value,
although we can only present little of that value based on the
available data.
2. Particularly in the about page, of course a user is going to want
to know about some of the artifacts that are part of the exhibition.
So, if the presentation of the images with proper alt descriptions is
confusing, then the problem we need to address is "how do we make the
presentation of the information less confusing" and not "how can we
get rid of this confusing information".
Hope that helps,
Everett
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