Learn the vocabulary of accessibility testing: screen readers, keyboard navigation, and automated tools like axe and Lighthouse.
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A developer says 'I tested with NVDA'. What is NVDA?
NVDA (NonVisual Desktop Access) is a free, open-source screen reader for Windows widely used to test how web content is announced to blind and low-vision users.
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What does 'keyboard-only navigation testing' involve?
Keyboard-only testing means navigating the entire interface using only the keyboard to verify all interactive elements are reachable, operable, and have a visible focus indicator.
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A QA engineer says 'the axe scan found 3 violations'. What is axe?
axe (by Deque) is a widely used automated accessibility testing engine available as a browser extension, CLI tool, and testing library integration that flags WCAG violations.
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When a tester says 'this fails the accessibility audit in Lighthouse', what does that mean?
Lighthouse is a Chrome tool that runs automated audits including accessibility checks. An accessibility audit failure means the page has detectable WCAG issues such as missing labels, poor contrast, or inaccessible forms.
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What is 'VoiceOver' in the context of accessibility testing?
VoiceOver is the built-in screen reader on Apple devices (macOS, iOS, iPadOS) and is essential for testing accessibility on Apple platforms alongside NVDA/JAWS on Windows.