ServiceWorkerRegistration.navigationPreload

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The navigationPreload read-only property of the ServiceWorkerRegistration interface returns the NavigationPreloadManager associated with the current service worker registration.

Syntax

var navigationPreloadManager = serviceWorkerRegistration.navigationPreload

Value

An instance of NavigationPreloadManager.

Specifications

Specification Status Comment
Service Workers
The definition of 'navigationPreload' in that specification.
Working Draft Initial definition.

Browser Compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic support
Experimental
Chrome Full support 59Edge Full support 17
Full support 17
Full support 16
Disabled
Disabled From version 16: this feature is behind the Enable service workers preference.
Firefox Full support 44
Notes
Full support 44
Notes
Notes Service workers (and Push) have been disabled in the Firefox 45 and 52 Extended Support Releases (ESR).
IE No support NoOpera Full support 46Safari Full support 11.1WebView Android Full support 59Chrome Android Full support 59Edge Mobile ? Firefox Android Full support 44Opera Android Full support 46Safari iOS Full support 11.1Samsung Internet Android Full support 4.0

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
See implementation notes.
See implementation notes.
User must explicitly enable this feature.
User must explicitly enable this feature.

Document Tags and Contributors

Contributors to this page: ExE-Boss, jpmedley
Last updated by: ExE-Boss,