Product guide · 6 min read

Accessibility in dense tables: screen readers and keyboard paths

ARIA grid roles, focus order, and pragmatic limits when virtualizing tens of thousands of rows.

Published March 21, 2025 · Table

Data grids expose rows and cells to assistive tech via role="grid" patterns. Virtualization complicates linear navigation, products should preserve logical tab order and announce sort/filter state changes.

Goals

Every interactive cell reachable by keyboard.
Visible focus rings on custom cell editors.
Document known limitations for mega-grids in VPATs.