On the standards track: Yes
Is Experimental: Yes
Is Deprecated: No
In Chrome version preview on undefined Note: Counters are recognised, but the spoken values do not increment
In Chrome Android version 140 on 2025-09-02 Note: Counters are recognised, but the spoken values do not increment
In Edge version 140 on 2025-09-05 Note: Counters are recognised, but the spoken values do not increment
Not in Firefox
Not in Firefox for Android
Not in Internet Explorer
Not in Quest Browser
In Opera version 124 on undefined Note: Counters are recognised, but the spoken values do not increment
In Opera Android version 92 on 2025-10-08 Note: Counters are recognised, but the spoken values do not increment
Not in Safari
Not in Safari on iOS
Not in Samsung Internet
In WebView Android version 140 on 2025-09-02 Note: Counters are recognised, but the spoken values do not increment
Not in WebView on iOS