ARIA Landmarks
ARIA Landmarks are a set of roles defined in the WAI-ARIA (Web Accessibility Initiative - Accessible Rich Internet Applications) specification that provide semantic structure to web content for assistive technologies like screen readers. They identify regions of a page (e.g., navigation, main content, banners) to help users with disabilities navigate and understand the layout more efficiently. This improves accessibility by enabling keyboard navigation and better content announcements.
Developers should learn and use ARIA Landmarks when building accessible web applications to comply with WCAG (Web Content Accessibility Guidelines) standards and ensure usability for people with disabilities. They are essential for complex, dynamic web pages where traditional HTML5 semantic elements might not suffice, such as in single-page applications or custom widgets, to provide clear navigation cues and structure.