NetworkInformation: saveData property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Note: This feature is available in Web Workers.

The saveData read-only property of the NetworkInformation interface returns true if the user has set a reduced data usage option on the user agent.

Value

A boolean value.

Specifications

Specification
Save Data API
# dfn-savedata

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
saveData
Chrome – Full support
Chrome 65 (Release date: 2018-03-06)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – No support
Firefox
footnote No support
Opera – Full support
Opera 52 (Release date: 2018-03-22)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 65 (Release date: 2018-03-06)
footnote Full support
Firefox for Android – No support
Firefox for Android
footnote No support
Opera Android – Full support
Opera Android 47 (Release date: 2018-07-23)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 9 (Release date: 2018-09-15)
footnote Full support
WebView Android – Full support
WebView Android 65 (Release date: 2018-03-06)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support

See also