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[Bug 9215] Provide a Webcam example that is in accord with WCAG 2 or Defer to "HTML5: Techniques for providing useful text alternatives"

From: <bugzilla@wiggum.w3.org>
Date: Tue, 23 Mar 2010 17:24:22 +0000
To: public-html-a11y@w3.org
Message-Id: <E1Nu7q2-00070I-Jx@wiggum.w3.org>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=9215


steve faulkner <faulkner.steve@gmail.com> changed:

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--- Comment #3 from steve faulkner <faulkner.steve@gmail.com>  2010-03-23 17:24:22 ---
(In reply to comment #2)
> I don't understand. How could alternative text (as opposed to caption text,
> which HTML5 currently requires be provided in the absence of alternative text
> for this exact case) be provided for an image whose contents are known to
> nobody at all?
> Could you provide an example of what the alt="" text for the webcams on one of
> the following could be? A link to where WCAG2 says how to handle these would be
> good too.
>    http://www.hb9bza.net/netcam/
>    http://www.goldengatebridge.org/
>    http://observatories.hodar.com/webcams.html
> I'm eager to make the spec provide the best advice possible for authors, but I
> really don't see what we can say about webcams beyond what we already say.

In the case of  http://www.hb9bza.net/netcam/ the image contains text (blue
strip at top of image) information that is not provided elsewhere on the page,
so the alt should at least include that text. same goes for example 2
http://www.goldengatebridge.org/

on the initial page of http://observatories.hodar.com/webcams.html all of the
webcam images are the sole content of links, so the image alt should be
describe the link target. same goes if you follow a link (e.g.
http://observatories.hodar.com/sunspot/webcams.html) the images on this pages
are also links and also contain date text so the text should be in the alt
text.

do you have any further web cam examples that you would like text alternative
advice on?


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Received on Tuesday, 23 March 2010 17:24:24 GMT

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