Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The effectiveType read-only property of the NetworkInformation interface returns the effective type of the connection meaning one of 'slow-2g', '2g', '3g', or '4g'. This value is determined using a combination of recently observed, round-trip time and downlink values.
A string that is either 'slow-2g', '2g', '3g', or '4g'.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
effectiveType |
61 | 79 | No | No | 48 | No | 50 | 38 | No | 45 | No | 3.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation/effectiveType