On 29/12/08 18:12, Robert Clark wrote:
Am using the latest Firefox. Couple questions. I maintain a web page
and need to know its accessible, With FF, I cannot always see buttons on
web sites
By "see", do you mean they are invisible or that they are not exposed by
Window-Eyes or what?
Can you give an example button at an example URL where this happens?
and also cannot see the alt tags used to label graphics etc
when I run the mouse over them. This all works ok in IE.
Window-Eyes should read alternative text for images in the same way as
it reads other text.
However, IE shows alternative text for image as a tooltip for that image
if no other tooltip is defined using the TITLE attribute. This is a
controversial design decision by IE:
http://hixie.ch/advocacy/alttext
It does not represent a bug in Firefox or Window-Eyes.
Are there settings in FF that I have missed? I want to make sure my
pages will work for low vision users as well as screen readers.
If users want to see alternative text instead of images, they can turn
images off, or right-click on an individual image to open its properties
and read the alternative text in the properties dialog.
If you want to specify tooltips for content, including images, use the
TITLE attribute. Beware these can carry accessibility costs as well as
benefits:
http://www.rnib.org.uk/wacblog/articles/too-much-accessibility/too-much-accessibility-title-attributes/
Perhaps also worth mentioning there's a Firefox addon to substitute
alternative text for image tooltips when there's no TITLE, mimicking
Internet Explorer's behavior:
https://addons.mozilla.org/en-US/firefox/addon/1933
--
Benjamin Hawkes-Lewis
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