coderef

reading-flowLimited availability

The reading-flow CSS property sets the order in which flex or grid elements are rendered to speech or reached via focus navigation. The reading-order property overrides this order.

Not yet supported in all major browsers — check the table and provide a fallback.

Browser support

DesktopChrome
1–136Not supported
137+Supportedsince May 27, 2025
Current: 155
Edge
12–136Not supported
137+Supportedsince May 29, 2025
Current: 154
Firefox
✕Not supportedup to 157
Current: 157
Safari
✕Not supportedup to 27
Current: 27
MobileChrome Android
18–136Not supported
137+Supportedsince May 27, 2025
Current: 155
Firefox Android
✕Not supportedup to 157
Current: 157
Safari iOS
✕Not supportedup to 27
Current: 27

How to use

Not supported in Firefox, Safari, Firefox Android, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.

Example

Full syntax and examples are on MDN: reading-flow.

Feature detection

CSS · check before using
@supports (reading-flow: initial) {
  /* styles that rely on reading-flow */
}

/* or in JavaScript */
if (CSS.supports("reading-flow", "initial")) {
  // use it
}

Sub-features

Support for each part of the feature (9). The overall table above shows when the whole feature works.

Sub-featureChromeEdgeFirefoxSafariChrome AndroidFirefox AndroidSafari iOS
reading-flow137137✕✕137✕✕
reading-flow.flex-flow137137✕✕137✕✕
reading-flow.flex-visual137137✕✕137✕✕
reading-flow.grid-columns137137✕✕137✕✕
reading-flow.grid-order137137✕✕137✕✕
reading-flow.grid-rows137137✕✕137✕✕
reading-flow.normal137137✕✕137✕✕
reading-flow.source-order137137✕✕137✕✕
reading-order137137✕✕137✕✕