---
title: NetworkInformation.saveData
slug: Web/API/NetworkInformation/saveData
tags:
  - API
  - Experimental
  - Network Information API
  - NetworkInformation
  - Property
  - Read-only
  - Reference
  - saveData
browser-compat: api.NetworkInformation.saveData
---
{{APIRef("Network Information API")}}{{SeeCompatTable}}

The **`NetworkInformation.saveData`** read-only
property of the {{domxref("NetworkInformation")}} interface returns `true` if
the user has set a reduced data usage option on the user agent.

## Syntax

```js
var saveData = NetworkInformation.saveData;
```

### Value

A {{jsxref('Boolean')}}.

## Specifications

{{Specifications}}

## Browser compatibility

{{Compat}}

## See also

- {{HTTPHeader("Save-Data")}}
