Web Accessibility Guidelines

Web accessibility guidelines and standards define how to make web content and applications accessible to people with disabilities so that, ideally, web content is available to all individuals, on all devices. For a website to be considered accessible it must meet one or more sets of standards.

American's with Disabilities Act (ADA)

This Federal law requires equal treatment of people with disabilities in public accommodations online as well as offline.

Section 508

These are the standards issued by the Access Board under the Rehabilitation Act and cover access to electronic and information technology procured by Federal agencies. These standards are currently being revised to keep up with the changes in technology and to harmonize with the WCAG 2.0 A and AA guidelines.

W3C WCAG 2.0

The W3C WCAG guidelines were developed through an open process by the World Wide Web Consortium (W3C).  The most recent set of guidelines (WCAG 2.0) were published in 2008 and are organized under 4 central principles with testable "success criteria": Perceivable, Operable, Understandable, and Robust.  Each guideline offers 3 levels of conformance: A, AA, and AAA.  Level A conformance corresponds to the most basic requirements for displaying Web content.  Level AA conformance provides for a stronger level of accessibility by requiring conformance with Level A success criteria as well as Level AA specific success criteria.  Level AAA conformance comprises the highest level of accessibility within the WCAG guidelines and includes all Level A and Level AA success criteria as well as success criteria unique to Level AAA. Governments in the European Union, United Kingdom, Australia, and elsewhere have enacted these guidelines as law in their countries. The US is in the process of “harmonizing” the Section 508 and WCAG 2.0 guidelines into a single standard for web and desktop applications.

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Accessibility Services

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