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Re: Regarding images lacking alts

for

From: Bryan Garaventa
Date: Dec 4, 2012 4:36PM

The second usage is what I find helpful.

It's an easy script to run when building pages to verify that alts aren't
accidentally missing, which causes inconsistent announcement in screen
readers like JAWS.

----- Original Message -----
From: "Jukka K. Korpela" < <EMAIL REMOVED> >
To: < <EMAIL REMOVED> >
Sent: Tuesday, December 04, 2012 2:25 PM
Subject: Re: [WebAIM] Regarding images lacking alts


> 2012-12-05 0:00, Jared Smith wrote:
>
>> I do, however, like the idea of the alert script to identify images
>> that do not have an alt attribute defined,
>
> There are various existing tools for informing the user about alt
> attribute issues. I suppose they are mainly useful for developers (and
> e.g. to people who evaluate pages),
>
> In Firefox, the Web Developer Extension has an "Images" menu, where you
> can select e.g. "Display alt attributes" and (under "Outline images")
> options for outlining images without alt attributes and/or images with
> empty alt attributes. The outline is just a thin red line, though.
>
> But using the Stylish add-on in Firefox, you can easily specify a user
> style sheet for highlighting images without alt attributes, using e.g.
> the CSS code
> img:not([alt]) { outline: dashed red 3px; }
>
>> though I suppose this could
>> simply result in alt="" (or worse) being added instead of true,
>> equivalent alternative text.
>
> That's quite possible. On a quick look at various sites, with alt
> attribute display enabled, I noticed that wrong alt attributes are a
> more common problem than lack of alt attributes. Problems vary from
> pointless short stories written into the attributes to serious issues
> like alt="" on an image that is the sole content of a link.
>
> Yucca
>
> > >