1 Introduction

This document describes the level of support provided by Microsoft Edge for the Accessible Rich Internet Applications (WAI-ARIA) 1.1 specification [W3C-WAI-ARIA-11], published 14 December 2017. The [W3C-WAI-ARIA-11] specification provides an ontology of roles, states, and properties that define accessible user interface elements and can be used to improve the accessibility and interoperability of web content and applications.