Chrome will only let a ServiceWorker do work for a max of five minutes. They would still need a hidden window to trigger a new event every five minutes or get t

Chrome will only let a ServiceWorker do work for a max of five minutes. They would still need a hidden window to trigger a new event every five minutes or get the user to allow web push messages so a server can trigger events. https://www.chromium.org/Home/chromium-security/security-faq/service-worker-security-faq#TOC-Do-Service-Workers-live-forever- https://www.chromium.org/Home/chromium-security/security-faq...