Service workersThe service worker of a website is a script that runs in its own thread and which acts as local proxy that intercepts network requests from the website. Use a service worker to implement advanced caching strategies, offline support, background tasks, or push notification support on your website.workersWorkerswidely2018-04-302020-10-30https://w3c.github.io/ServiceWorker/serviceworkershttps://developer.mozilla.org/docs/Web/API/Cacheapi.Cacheapi.Cache.addapi.Cache.addAllapi.Cache.deleteapi.Cache.keysapi.Cache.matchapi.Cache.matchAllapi.Cache.putapi.Cache.worker_supportapi.CacheStorageapi.CacheStorage.deleteapi.CacheStorage.hasapi.CacheStorage.keysapi.CacheStorage.matchapi.CacheStorage.openapi.CacheStorage.secure_context_requiredapi.CacheStorage.worker_supportapi.Clientapi.Client.frameTypeapi.Client.idapi.Client.postMessageapi.Client.typeapi.Client.urlapi.Clientsapi.Clients.claimapi.Clients.getapi.Clients.matchAllapi.Clients.matchAll.options_includeUncontrolled_parameterapi.Clients.openWindowapi.ExtendableEventapi.ExtendableEvent.ExtendableEventapi.ExtendableEvent.waitUntilapi.ExtendableEvent.waitUntil.async_waitUntilapi.ExtendableMessageEventapi.ExtendableMessageEvent.ExtendableMessageEventapi.ExtendableMessageEvent.dataapi.ExtendableMessageEvent.lastEventIdapi.ExtendableMessageEvent.originapi.ExtendableMessageEvent.portsapi.ExtendableMessageEvent.sourceapi.FetchEventapi.FetchEvent.FetchEventapi.FetchEvent.clientIdapi.FetchEvent.handledapi.FetchEvent.preloadResponseapi.FetchEvent.requestapi.FetchEvent.respondWithapi.FetchEvent.respondWith.networkerror_on_same-origin_corsapi.FetchEvent.respondWith.resource_urlapi.FetchEvent.resultingClientIdapi.NavigationPreloadManagerapi.NavigationPreloadManager.disableapi.NavigationPreloadManager.enableapi.NavigationPreloadManager.getStateapi.NavigationPreloadManager.setHeaderValueapi.Navigator.serviceWorkerapi.ServiceWorkerapi.ServiceWorker.postMessageapi.ServiceWorker.scriptURLapi.ServiceWorker.stateapi.ServiceWorker.statechange_eventapi.ServiceWorkerContainerapi.ServiceWorkerContainer.controllerapi.ServiceWorkerContainer.controllerchange_eventapi.ServiceWorkerContainer.getRegistrationapi.ServiceWorkerContainer.getRegistrationsapi.ServiceWorkerContainer.message_eventapi.ServiceWorkerContainer.readyapi.ServiceWorkerContainer.registerapi.ServiceWorkerContainer.startMessagesapi.ServiceWorkerContainer.worker_supportapi.ServiceWorkerGlobalScopeapi.ServiceWorkerGlobalScope.activate_eventapi.ServiceWorkerGlobalScope.clientsapi.ServiceWorkerGlobalScope.fetch_eventapi.ServiceWorkerGlobalScope.install_eventapi.ServiceWorkerGlobalScope.message_eventapi.ServiceWorkerGlobalScope.registrationapi.ServiceWorkerGlobalScope.serviceWorkerapi.ServiceWorkerGlobalScope.skipWaitingapi.ServiceWorkerRegistration.activeapi.ServiceWorkerRegistration.installingapi.ServiceWorkerRegistration.navigationPreloadapi.ServiceWorkerRegistration.scopeapi.ServiceWorkerRegistration.unregisterapi.ServiceWorkerRegistration.updateapi.ServiceWorkerRegistration.updateViaCacheapi.ServiceWorkerRegistration.updatefound_eventapi.ServiceWorkerRegistration.waitingapi.WindowClientapi.WindowClient.ancestorOriginsapi.WindowClient.focusapi.WindowClient.focusedapi.WindowClient.navigateapi.WindowClient.visibilityStateapi.WorkerNavigator.serviceWorkerapi.cachesapi.caches.secure_context_requiredapi.caches.worker_supporthttp.headers.Service-Worker-Navigation-Preloadhttps://nowyoucanuse.com/features--service-workers.html