Minimum standard. Without achieving "A" standard, it is assumed that there could be a group of people who might not be able to browse the website comfortably.
The desirable standard. If "AA" standard is achieved, there will be less cases of difficulty in browsing websites.
Advanced criteria. A website would be the most accessible to browse if "AAA" standard is achieved.
Houses of the Oireachtas website
BALTIC Centre for Contemporary Art
Yale Center for British Art
Levels of conformanceAA
Web Accessibility Directive: Frequently Asked Questions
Netherlands Chamber of Commerce KVK
Cincinnati Web Design Agency & Marketing Solutions | Magnet