Web Accessibility Standards
Web Content Accessibility Guidelines (WCAG) 2.0 were created as part of the Web Accessibility Initiative (WAI), a working group of World Wide Web Consortium(W3C) to ensure that web content is accessible to everyone. Section 508 of
Levels of Standards
The Web Content Accessibility Guidelines 2.0
- Level A – the most basic web accessibility features
- Level AA – deals with the biggest and most common barriers for disabled users
- Level AAA – the highest (and most complex) level of web accessibility
At Northwestern, we aim to meet many of the standards associated with AA-level accessibility. Although we strive to meet some AAA standards, not all Level-AAA guidelines are applicable to web content.
WCAG 2.0 has many requirements that fall under four basic principles:
- Perceivable - All information and user interface must be perceivable. Make sure that your audience can access, recognize and understand content through all assistive technology.
- Operable - Some users are unable to use a mouse and rely on keyboard controls or other tools to navigate. In order to fully interact with a website, content needs to be operable no matter what accommodation tools users are employing.
- Understandable - Understandable websites use clear, concise language and offer functionality that is easy to interpret. If a user navigates around your website, the connection between the functionality and the result should be obvious.
- Robust - Robust websites work across operating systems, different browsers, and on tablet/mobile devices. Users should be able to choose their own technologies to access, read and interact with your site.