Refreshable Braille display
Disabled users use assistive technologies such as the following to enable and assist web browsing:

Screen reader software, which can read out, using synthesised speech, either selected elements of what is being displayed on the monitor (helpful for users with reading or learning difficulties), or which can read out everything [...]

Web accessibility refers to the practice of making websites usable by people of all abilities and disabilities. When sites are correctly designed, developed and edited, all users can have equal access to information and functionality. For example, when a site is coded with semantically meaningful HTML, with textual equivalents provided for [...]