mapslisted

# Maps Accessibility Skill > **Canonical source**: `examples/MAPS_ACCESSIBILITY_BEST_PRACTICES.md` in `mgifford/ACCESSIBILITY.md` > This skill is derived from that file. When in doubt, the example is authoritative. Apply these rules when implementing or reviewing any static or interactive map. **Only load this skill if the project contains maps.** --- ## Core Mandate All users must access the essential information conveyed by a map through accessible alternatives, keyboard-operable controls, and clear structured content. --- ## Severity Scale (this skill) | Level | Meaning | |---|---| | **Critical** | Essential location data has no accessible alternative | | **Serious** | Interactive map unreachable by keyboard; `role="application"` misused | | **Moderate** | Skip link missing; colour independence gap; popup focus not managed | | **Minor** | Missing `prefers-reduced-motion` for animations; legend incomplete | --- ## Critical: Text Alternatives for Static Maps A meaningful map with no text alternative is **Critical** — blind users receive no location information at all. ```html <!-- Simple map --> <img src="campus-map.png" alt="Campus map: main entrance on Elm Street, library to the north, parking to the east."> <!-- Complex map with extended description --> <figure> <img src="regional-map.png" alt="Regional accessibility map — detailed description below." aria-describedby="map-desc"> <figcaption id="map-desc"> <p>Three accessi