1194.22(e) Redundant text links shall be provided for each active region of a server-side image map.
1194.22(f) Client-side image maps shall be provided instead of server-side image maps except where the regions cannot be defined with an available geometric shape.
Related Guidelines: WCAG 1.2, 9.1; IBM 2.
The issue: Server side maps require the use of a mouse. Many disabled users cannot use a mouse.