Enter a URL and choose which WCAG 2.1 Level AA tests to run. Powered by Allen AI's OLMo2 and Molmo2 models.
Core Tests
Keyboard-Only Navigation
Tabs through interactive elements; checks every control is reachable and no keyboard traps exist.
200% Zoom / Reflow
Applies 2× browser zoom and checks that text, controls, and layout remain usable without horizontal scroll.
Color-Blindness Simulation
Injects a Deuteranopia filter and checks whether any element can only be distinguished by color.
Page Structure & Semantics
Checks alt text, headings, landmark regions, duplicate IDs, page title, link text, lang, touch targets, iframes, and ARIA misuse.
Extended Tests
Focus Visibility Check
Tabs through every element and verifies each has a clearly visible focus ring.
Form Error Handling
Submits forms with invalid data and checks that errors are descriptive, associated with fields, and provide correction hints.
