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25 terms
- Accessibility (a11y)Accessibility (often shortened to a11y for the 11 letters between the A and the Y) means designing and building digital products that…
- Accessibility AuditAn accessibility audit is a systematic evaluation of a website, application, or digital product against accessibility standards (typically…
- Accessibility OverlayAn accessibility overlay is a third-party script (typically JavaScript) that a website operator adds to their site, claiming it will…
- Accessible FormsAccessible forms are form controls that every user can perceive, understand, and complete.
- ADA ComplianceADA compliance in the digital context means ensuring a website or mobile application meets the accessibility requirements of the Americans…
- Alt TextAlt text (alternative text) is the text description embedded in an image's HTML alt attribute that screen readers announce in place of the…
- ARIAARIA (Accessible Rich Internet Applications) is a W3C specification that supplies the semantics missing in plain HTML for interactive…
- axe-coreaxe-core is an open-source accessibility testing engine developed by Deque Systems.
- Captioning / TranscriptsCaptions are synchronised text that displays spoken dialogue, sound effects, and other audio information during video playback.
- Color Contrast RatioColor contrast ratio measures the difference in luminance between foreground text and its background, expressed as a ratio (e.g., 4.5:1).
- European Accessibility Act (EAA)The European Accessibility Act (EAA, Directive 2019/882) is an EU directive requiring that key digital products and services be accessible…
- Focus Management / Focus IndicatorFocus management is the practice of programmatically moving keyboard focus between elements when the UI changes (e.g., opening a dialog…
- Heading HierarchyHeading hierarchy is the practice of using <h1> through <h6> elements in a logical, nested order that reflects the content structure of…
- High Contrast ModeHigh Contrast Mode is an operating system accessibility setting that replaces the colour scheme on screen with a high-contrast palette…
- Inclusive DesignInclusive design is a design methodology that considers the full range of human diversity (ability, language, culture, gender, age) from…
- Keyboard NavigationKeyboard navigation means all interactive functionality on a web page can be operated using only a keyboard, without requiring a mouse…
- Landmark ElementsLandmark elements are HTML5 semantic elements that define the major regions of a page (<header>, <nav>, <main>, <aside>, <section>…
- Readability (Flesch Reading Ease)Readability measures how easy a text is to read and understand.
- Reduced MotionReduced motion is an accessibility setting that allows users to disable or minimise animations, transitions, and parallax effects in…
- Screen ReaderA screen reader is a software application that converts digital text and interface elements into synthesised speech or braille output.
- Section 508Section 508 is a US federal law requiring that all information and communication technology (ICT) developed, procured, maintained, or used…
- Semantic HTMLSemantic HTML means using HTML elements according to their intended meaning (<nav> for navigation, <h1> through <h6> for headings…
- Touch Target SizeTouch target size is the minimum dimension of interactive elements on touchscreen devices.
- WAVE ToolWAVE (Web Accessibility Evaluation Tool) by WebAIM is a free browser extension and online tool that visually overlays accessibility issue…
- WCAG (2.1, 2.2)The Web Content Accessibility Guidelines (WCAG) are the internationally recognised technical standard for making web content accessible to…
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