All WCAG criteria
WCAG 2.1·Perceivable·1.4 Distinguishable

1.4.4 Resize Text

Level AA

Text must be resizable up to 200% without loss of content or functionality.

Why it matters

Low-vision users routinely zoom to 200%+; layouts that break or clip text exclude them.

Common failure
<meta name="viewport" content="user-scalable=no">
Accessible version
<meta name="viewport" content="width=device-width, initial-scale=1">

How OnlyEnable handles this

Automatically remediated. OnlyEnable's font scaling profile increases text size in-page regardless of viewport meta.

Related criteria in 1.4 Distinguishable