Hey WebKit folks, I have rebooted the Network Information API recently. This is all in a relatively early stage, but I thought now would be a good time to get your feedback on the proposal:
- Motivational doc: https://docs.google.com/document/d/1RDA23zSNdDuIcxZTX9Xo3zlD2fxf8dZg9-e0YaJQv0g/edit?usp=sharing - Explainer: https://github.com/tomayac/netinfo/blob/relaunch/README.md - Spec draft: https://ghcdn.rawgit.org/tomayac/netinfo/relaunch/index.html Here is the short version: ```js // Is the current network a metered network according to the OS-level setting // in, e.g., Android or Windows, i.e., _without_ the UA guesstimating it. The UA // may provide its own (override) setting, though: navigator.connection.metered; // false // What is the sustained connection speed, as measured on the OS-level (à la // `nettop`) for a sliding window and bucketed in buckets of exponentially // growing size in bit per second, e.g., 25,000,000 (25 Mbit/s), 50,000,000 // (50 Mbit/s). It's fine to report `Infinity` if the user agent doesn't want to // reveal more, or if the sustained speed isn't known yet. navigator.connection.metered; // 50000000 // Changes to either of the attributes are exposed via an event: navigator.connection.addEventListener("change", (event) => { console.log(event); }); ``` Each of the attributes is accompanied by a client hint header that reflects the attribute: ```bash Sec-CH-Metered-Connection: 1 Sec-CH-Sustained-Speed: 50000000 ``` Thanks in advance for your thoughts, here, or in the motivational document. Cheers, Tom
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