web-feature: font-optical-sizing

baseline logo Widely available

The font-optical-sizing CSS property sets whether text rendering is optimized for viewing at different sizes.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-07

Servo

Android

2026-07

ArkWeb

HarmonyOS

*

Chrome Browser

Android

79

Safari Browser

iOS

13.4