Web Content Accessibility Guidelines (WCAG) 2.1 covers a wide range of recommendations for making Web content and document more accessible for people with disabilities, including accommodations for blindness and low vision, deafness and hearing loss, limited movement, and speech disabilities.
WCAG 2.1 guidelines address the accessibility of web content on desktops, laptops, tablets, and mobile devices, and WCAG 2.1 guidelines address document accessibility for DOC,PDF,PPT, and videos.
Web and document accessibility makes it easier for people to use the website or document with disabilities.
WCAG 2.1 is divided into three conformance levels (A-AA-AAA).
WCAG is separated into three conformance levels:
- Level A – some basic compliance with the color combination, text, and design.
- Level AA – some Medium compliance with the color combination ,text, and design.
- Level AAA – high/deep compliance with the color combination, text, design and audio, and video navigation and visualization.