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2.1 Introduction to Accessibility and Universal Design

The 4 Principles of Accessibility

The Web Content Accessibility Guidelines (WCAG) are part of a series of web accessibility guidelines published by the Web Accessibility Initiative of the World Wide Web Consortium, the main international standards organization for the Internet.

The Web Content Accessibility Guidelines (WCAG) are organized by four main principles, which state that content must be POUR: Perceivable, Operable, Understandable, and Robust.*

The following video explains the four guiding principles.

Closed captioning is provided. Full-screen view is recommended. Video length: 3:04min.

Designing for Accessibility with POUR

by the National Center on Accessible Educational Materials 

video:

  

  


If you prefer reading text go to: Web Accessibility: POUR Acronym Explained (4 min. read)




* “Web Content Accessibility Guidelines.” Wikipedia, Wikimedia Foundation, 17 Sept. 2021, https://en.wikipedia.org/wiki/Web_Content_Accessibility_Guidelines.