This link has been bookmarked by 18 people . It was first bookmarked on 27 Apr 2006, by netklon.
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Dave McNallyAn article about alt and title attributes for images.
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Claude AlmansiAlternate text is not meant to be used as a tool tip, or more specifically, to provide additional information about an image. The title attribute, on the other hand, is meant to provide additional information about an element. That information is displayed as a tooltip by most graphical browsers, though manufacturers are free to render title text in other ways.
Thanks to Alexis Antonelli http://uxconsultant.com/ for the reference-
Use the
altattribute to provide text for visitors who, for whatever reason, can’t see the images in your document. This includes visitors using browsers that cannot display images or have image display disabled, visually impaired visitors, and screen reader users. Alt text is to be used instead of an image, not as additional information. -
And don’t use the
altattribute for text that you want to appear as a tool tip. It’s not the way it was meant to be used, and as far as I know, it only works like that in Internet Explorer for Windows and in Windows versions of the ancient Netscape 4.*. No Mac browsers display alt text as a tool tip. - 3 more annotations...
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When browser vendors bend the standards and implement something in a different way than what the specification states, they may cause problems, or at least confusion. One example of this is the way certain browsers, the most widely used being Internet Explorer for Windows, handle alt attributes (popularly and incorrectly referred to as “alt tags”).
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Mikel Madina[EN]
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