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Web Content Accessibility Guidelines - Coggle Diagram
Web Content Accessibility Guidelines
what is the Web Content Accessibility Guidelines
The WCAG 2.1 (Web Content Accessibility Guidelines) is a set of rules and best practices that help make websites and digital content accessible to everyone – including people with disabilities like visual, hearing, mobility, or learning difficulties.
The Main Goal
Easy to use
Understandable
Accessible to everyone
Especially users who:
Are blind or visually impaired
Are deaf or hard of hearing
Have mobility issues
Have cognitive or learning difficulties
Use assistive technologies
Based on 4 Key Principles (POUR)
P
perceivable
users must be able to see, hear, or sense the content
O
operable
users must be able to use the website
U
understandable
content must be easy to read and follow
R
robust
content must work well with other devices and assistive tech
levels of accessibility (3 Levels)
A
basic accesability
AA
recommended for most websites
AAA
very high accessibility
key accesability features
text alternatives
all images must have text alternatives
keyboard navagation
everything must be usable with a keyboard only
colour contrast
there must be enough contrast between text and background
captions and audio decriptions
videos should include captions for deaf and audio descriptions
responsive and mobile friendly
websites must work properly on all screen sizes
avoiding flashing or complex layouts
avoid animations that flash or complex layouts
input assisstance
forms should include clear labels, instructions and error suggestions