This feature is not Baseline because it does not work in some of the most widely-used browsers.
The connection read-only property of the Navigator interface returns a NetworkInformation object containing information about the system's connection, such as the current bandwidth of the user's device or whether the connection is metered.
This could be used to select high definition content or low definition content based on the user's connection.
A NetworkInformation object.
| Specification |
|---|
| Network Information API> # connection-attribute> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
connection |
61 | 79 | 31–32 | 48 | No | 38 | 14–99 | 37 | No | 3.0 | 50 | No |
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https://developer.mozilla.org/en-US/docs/Web/API/Navigator/connection