Save-Data
Limited availability
Browsers send the Save-Data HTTP request header when the user turns on a data-saving mode. It is a hint to reduce data sent to the browser. Servers should respond with alternative content, such as smaller images and videos, or different markup and styling.
Learning resources on MDN
Browser support
- Chrome 65 Released on 2018-03-06
- Chrome Android 65 Released on 2018-03-06
- Edge 79 Released on 2020-01-15
- Firefox ❌
- Firefox for Android ❌
- Safari ❌
- Safari on iOS ❌
Specifications
- Save Data API, from Web Platform Incubator Community Group (W3C).