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New W3C guidelines
An accessible web site increases your audience by ensuring your pages can be accessed by anyone.
Accessibility is particularly important for visitors without the latest graphical browsers and plug-ins, those on slow connections or people with disabilities.
Here's a monster grab bag of some of the best tips, guides and resources on making your site accessible -http://www.cre8asiteforums.com/viewtopic.php?p=116275#116275
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