I don't think exposing the information about whether the connection is metered or not is acceptable from the privacy standpoint. Based on the IP address of a user & this metered status, a website may even be able to tell what kind of carrier plan a given user is in.
- R. Niwa On Fri, Aug 20, 2021 at 7:51 AM Thomas Steiner via webkit-dev < webkit-dev@lists.webkit.org> wrote: > 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 > _______________________________________________ > webkit-dev mailing list > webkit-dev@lists.webkit.org > https://lists.webkit.org/mailman/listinfo/webkit-dev >
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