WAI-ARIA roles in a screen layout

Screen layouts include WAI-ARIA roles by default. The table below details the area of the screen layout and the corresponding auto-generated HTML tag and the WAI-ARIA role assigned to that area by default.

Area position Auto-generated tag WAI-ARIA role
Header <header> banner
Center <main> main
Left panel <aside> navigation
Right panel <aside> complementary
Footer <footer> contentinfo