NVDA
A free, open-source screen reader developed by NV Access, primarily for the Windows platform. It is one of the most widely used assistive technology tools among users with visual impairments.
Timeline (last 90 days)
Mainstream screen readers NVDA, JAWS, and VoiceOver do not behave completely consistently when handling high-frequency Live Region updates; some merge multiple updates occurring within a short time, while others interrupt on each update.
All Facts (3)
NVDA（NonVisual Desktop Access）是免费开源的屏幕阅读器，在Windows平台市场占有率最高
80%UnverifiedScreen readers (such as NVDA, JAWS, and VoiceOver) rely on the accessibility tree exposed by the browser to understand page structure.
60%UnverifiedMainstream screen readers NVDA, JAWS, and VoiceOver do not behave completely consistently when handling high-frequency Live Region updates; some merge multiple updates occurring within a short time, while others interrupt on each update.
50%