https://caniuse.com/?search=ciu/wf-periodic-background-sync
"ciu/wf-periodic-background-sync" | Can I use... Support tables for HTML5, CSS3, etc
periodic background sync
https://blog.chromium.org/search/label/background%20periodic%20sync
Chromium Blog: background periodic sync
News and developments from the open source browser project
chromium blogbackgroundperiodicsync