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Keyboard Navigation Tester – Tab & Focus Order Operability Simulator

Audit keyboard accessibility, focus indicators, keyboard traps, and positive tabindex anti-patterns under WCAG 2.1.1 and 2.4.7.

Heading Accessibility Checker – H1-H6 Hierarchy & Outline Validator

Analyze heading hierarchy (h1 through h6) to detect skipped levels, missing h1 tags, empty headings, and broken outlines.

Focus Order Analyzer – Modal Focus Trap & Logical Reading Sequence

Analyze keyboard focus order and verify DOM reading sequence matches visual reading order according to WCAG 2.4.3.

Color Blindness Simulator – Protanopia, Deuteranopia & Tritanopia Preview

Simulate color combinations across protanopia, deuteranopia, tritanopia, and achromatopsia to verify WCAG contrast accessibility.

ARIA Validator – WAI-ARIA 1.2 Syntax, States & Attributes Checker

Validate WAI-ARIA roles, states, and attributes for valid syntax, allowed pairings, and adherence to the W3C First Rule of ARIA.

ARIA Role Checker – Semantic HTML5 vs ARIA Role Hierarchy Validator

Validate ARIA role definitions, required sub-roles, forbidden roles, and duplicate native semantics against W3C standards.

ARIA Label Generator – Accessible Name & Description Builder

Generate accessible labels using aria-label, aria-labelledby, and aria-describedby for buttons, icons, dialogs, and navigation.

Alt Text Quality Analyzer – Linter & Accessibility Content Auditor

Audit image alternative text quality, detecting redundant phrases, file extensions, keyword stuffing, and insufficient descriptions.

Alt Text Generator – Accessible Image Alternative Text Assistant

Generate concise, contextual image alt text for informative, decorative, functional, and complex graphical web elements.

Accessible Table Checker – HTML Data Table Header & Scope Validator

Audit HTML data tables for semantic table headers (th), scope attributes, captions, and summary tags under WCAG 1.3.1.

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