WCAG 1.4.13
Level AA
Perceivable
1.4.13 Content on Hover or Focus
Tooltips/popovers on hover or focus are dismissible, hoverable, and persistent.
What 1.4.13 Content on Hover or Focus means
Users can move to the tooltip content, dismiss it, and it does not vanish unexpectedly.
How to test
Trigger hover/focus content and confirm it can be dismissed (Esc), hovered, and stays visible.
How to meet it
Make tooltips keep showing while hovered, dismissible with Escape, and not obscuring the trigger.
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Official reference: Understanding 1.4.13 Content on Hover or Focus (W3C)
More Perceivable criteria
1.1.1 Non-text Content
1.2.1 Audio-only and Video-only (Prerecorded)
1.2.2 Captions (Prerecorded)
1.2.3 Audio Description or Media Alternative (Prerecorded)
1.2.4 Captions (Live)
1.2.5 Audio Description (Prerecorded)
1.3.1 Info and Relationships
1.3.2 Meaningful Sequence
1.3.3 Sensory Characteristics
1.3.4 Orientation
1.3.5 Identify Input Purpose
1.4.1 Use of Color
1.4.2 Audio Control
1.4.3 Contrast (Minimum)
1.4.4 Resize Text
1.4.5 Images of Text
1.4.10 Reflow
1.4.11 Non-text Contrast
1.4.12 Text Spacing