Digital accessibility (a11y) can be applied to all electronic user interfaces and serves everyone. Regardless of the type of disability or other special needs and characteristics.
A11y stands for “Accessibility”, starting with the letter “A”, followed by 11 more and ending with a “y”.
What does e-Accessibility mean for learning materials?
Accessible learning materials can be "read" and used by all interested learners, regardless of motor, sensory and, as far as possible, cognitive/psychological limitations. As far as possible without individual adaptations. Where use is not possible without adaptations, accessible electronic learning materials are compatible with common assistive devices such as screen reader or voice control software.
The A11y Big 5 - The most important features of accessible electronic user interfaces
Internalise the following five easy-to-remember aspects. They cover most requirements for digital accessibility. Moreover they are good guidelines for independent accessibility testing.