User Centered Principles
Foundational Basis of WCAG 2.x
WebAIM has a good intro to POUR, which is an acronym for the higher-level foundational principles of accessibility of WCAG 2.x.
Keep in mind that the latest version of WCAG is 2.2, WCAG 3 is being developed with similar principles, however a differing format. It is very much so in draft phase, therefore we will cover it when a version is published.
WCAG 2.2 has been release as of October 2023
Essentially in order to ensure accessibility we must ensure that users can understand, interact, and actually "perceive" the content through multiple senses. Some examples can include multiple language support, multimodal support, reducing jargon, etc.
Robustness is the more technical of the four as it concerns itself with interoperability, adapting to emerging technology, and following specifications.
For developers, engineers, and architects. Robustness is a strong area of contribution, especially in the blockchain space. Interoperability of chains and consistent formatting between dapps is key to an enhanced user experience for usability and accessibility.
Webaim Includes 4 subsequent articles expanding on the Four Principles to highlight and explain each one in greater detail:
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