Re: [w3ctag/design-reviews] Periodic Background Sync (#367)

Thanks!

Yes, perhaps we should cross link both one-off and periodic background sync explainers for better discoverability.

Chrome is exploring an easily discoverable audit-style UI for all types of background activity which also allows opting out. This will surface both one-off and periodic syncs, but since it's in the exploration stage, the exact shape of the UI is unknown and thus we won't implement this in the very near future.

At present, there's a "Background Sync" site setting, which when disallowed for an origin, will also disallow Periodic Background Sync for the origin.

Different browsers can impose different limits on the service worker execution time. Chrome currently limits to three minutes, but I'm working on an experiment to reduce that time by half. Background Fetches, by comparison, have no time limit.

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