The ARIA Authoring Practices Guide (APG) [1] is my usual goto for what ARIA markup I need for custom elements, as it is clear on what the keyboard navigation, A

The ARIA Authoring Practices Guide (APG) [1] is my usual goto for what ARIA markup I need for custom elements, as it is clear on what the keyboard navigation, ARIA roles, ARIA states, and ARIA properties should be for a given element in a given state. That makes implementing and testing it easier than reading the core specs. [1] https://www.w3.org/WAI/ARIA/apg/ https://www.w3.org/WAI/ARIA/apg/