Glossary Term
Effective connection type
Effective connection type (ECT) refers to the measured network performance, returning a cellular connection type, like 3G, even if the actual connection is tethered broadband or Wi-Fi, based on the time between the browser requesting a page and effective type of the connection.
The values of slow-2g, 2g, 3g, and 4g are determined using observed round-trip times and downlink values.
effectiveType is a property of the Network Information API, exposed to JavaScript via the navigator.connection object. To see your effective connection type, open the console of the developer tools of a supporting browser and enter the following:
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