Accessibility standard requirements

8: Server-Side Image Maps

Provide redundant text links for each active region of a server-side image map. Choose to use client-side image maps instead of server-side image maps except where regions cannot be defined with an available geometric shape.
(See also Requirement 1: Text Equivalents)
(Reference: W3C: 7.1; 9:1; DOJ, Section 508: e; f)