spec checked

WCAG Understanding 1.4.13: Content on Hover or Focus

Explains that additional content triggered by hover or focus must be dismissible, hoverable, and persistent so users can perceive and dismiss it without disrupting the page.

Open source

Pattern Decisions This Source Supports

Pattern Supported decision Required contract Claim note
Hover card Choose hover card when users need a richer preview of an object behind a reference before deciding whether to open it. The card previews only the object represented by the current trigger. Supports dismissible, hoverable, and persistent behavior for hover or focus content.
Tooltip-only required information Flag this anti-pattern when the tooltip content is necessary to complete the task correctly or avoid a harmful outcome. Users can complete the task without reading a tooltip. Supports dismissible, hoverable, and persistent behavior for hover or focus content.

Evidence Role

This source is treated as spec evidence. Use it to validate the decision rules above, not as a visual style reference.

Publisher: W3C WAI. Last checked: .