OGlossary
Overlay
Accessibility Overlay Widget
An overlay is a JavaScript accessibility widget that applies changes on top of a page without modifying the actual HTML. Products: AccessiBe, UserWay, EqualWeb. Criticism: overlayfactsheet.com (800+ signatories), NFB statement, FTC AccessiBe $1M fine. Alternative: DNS-proxy approach (InclusiveWeb) that actually fixes HTML before delivery to the visitor.
Make your website accessible in 3 minutes
7-day free trial. All 3 products. No credit card. Instant results.
Checked against
WCAG 2.1/2.2 AA
EN 301 549
EAA 2025