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In December 2008 the World Wide Web consortium (W3C) declared that version 2 of the Web Content Accessibility Guidelines (WCAG 2.0) had finally been made a recommendation. Stating that websites which already met the WCAG 1.0 guidelines should need little or no adjustment to meet WCAG 2.0, the new standards offer an updated framework for developing accessible web content.

The following resources will help developers to appreciate the differences and ensure they are compliant with the new standards. I’ll continue to update this page as new resources become available (last updated March 2009). If you’ve got suggestions for this list please leave a comment!

General

Getting started

Obviously the best place to start is with W3C itself. The WCAG Overview provides links to the dcoument, along with techniques, FAQs, presentations and more.

Of particular interest is How to meet WCAG 2.0 – a customizable quick reference to Web Content Accessibility Guidelines 2.0 requirements (success criteria) and techniques. This excellent resource allows you to filter the relevant requirements, along with sufficient and advisory techniques, so that only those which apply to your project will be shown. For example, if you don’t have any Server-Side Scripting, you can untick that technology and all information relating to that will be hidden. This makes it far easier to swallow, especially if you’re working on a fairly simple project.

Also, the RNIB’s Web Access Centre blog has a good article entitled WCAG2.0 – where to start?, written by Henny Swan whilst she was working for the RNIB. It was written before WCAG 2.0 became a final recommendation, but it’s still very relevant.

WebAIM also have a handy WCAG 2.0 Checklist which presents the principles and techniques in a simplified, more user-friendly way.

WCAG 1.0 to WCAG 2.0 – a comparison

Roger Hudson has compiled an excellent table comparing WCAG 1.0 with WCAG 2.0. Although still a work in progress, this is a great way of visualising the differences.

The Web Standards Project (WASP) also has a list of WCAG 2.0 resources.

Colour contrast ratio

WCAG 2.0 has slightly different rules for colour contrast. Jo Dolson explores what this means on his blog. Also check out this Contrast Analyser, as well as W3C’s own list of tools to ensure sufficient contrast.

Forms

Whilst none of the WCAG 2.0 Success Criteria explicitly refer to forms, some of the checkpoints do have direct relevance. With this in mind, Roger Hudson, of Webusability.com.au, takes a look at creating Accessible Forms using WCAG 2.0.

Background

Jack Pickard has an interesting log of the development of WCAG 2.0, dating back to mid-2006. It is an engaging overview of the various phases leading up to the final recommendation, which also charts Jack’s changing attitudes to the document as the content evolves. In the latter stages he looks more closely at the levels of criteria.

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