Web Accessibility Policy of the State of Maine
19. Alternate Accessible Versions
19.1 - Use separate accessible versions only as a last resort.
Separate accessible or "text-only" versions are often offered instead of providing a single accessible site.
Manually developing and maintaining a separate "text-only" version of an entire site is tremendously demanding of time and resources. In practice, "text-only" versions are rarely kept complete or up-to-date. Given advances in accessibility techniques and assistive technologies, "text-only" sites are simply not necessary in most cases.
Follow these standards to develop a single site that is universally accessible and efficient to maintain.
Ref: WCAG 11.4; 508 k