Bug 1290958 tracks implementing the `NavigationPreloadManager` API. This will introduce a `NavigationPreloadState` associated with each `ServiceWorkerRegistration`. This state specifies if requests intercepted by the registration's active worker will also have a "preload response" and what the `Service-Worker-Navigation-Preload` HTTP header value will be for requests for these preload responses.
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Bug 1290958 tracks implementing the `NavigationPreloadManager` API. This will introduce a `NavigationPreloadState` associated with each `ServiceWorkerRegistration`. This state specifies if the browser will perform a "preload request" to requests intercepted by the registration's active worker; a "preload response" will be available to the active worker in its fetch handler. This state also specifies the value of the `Service-Worker-Navigation-Preload` HTTP header included in the preload requests.
Bug 1290958 tracks implementing the `NavigationPreloadManager` API. This will introduce a `NavigationPreloadState` associated with each `ServiceWorkerRegistration`. This state specifies if the browser will perform a "preload request" for navigation requests intercepted by the registration's active worker; a "preload response" will be available to the active worker in its fetch handler. This state also specifies the value of the `Service-Worker-Navigation-Preload` HTTP header included in the preload requests.