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.
Morgan State University
Tokyo Bunka Kaikan
California Grants Portal
Levels of conformanceAA
Kuntien saavutettavuusopas | Kuntaliitto.fi
Iwaki City Government Office
University of Tartu
Levels of conformanceA
Copenhagen Business School
Technical University of Denmark