web-feature: Push messages

baseline logo Widely available in browsers but not in WebViews

The Push API subscribes to and receives server-initiated messages. Subscribers receive pushed messages in the background, even after periods inactive or offline.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-05

Servo

Android

2026-05

Chrome Browser

Android

50

Safari Browser

iOS

16.4

Notes

Unsupported keys in WebViews

  • Android WebView:
    api.Permissions.permission_push api.PushEvent api.PushEvent.PushEvent api.PushEvent.data api.PushManager api.PushManager.getSubscription api.PushManager.permissionState api.PushManager.subscribe api.PushManager.supportedContentEncodings_static api.PushMessageData api.PushMessageData.arrayBuffer api.PushMessageData.blob api.PushMessageData.bytes api.PushMessageData.json api.PushMessageData.text api.PushSubscription api.PushSubscription.endpoint api.PushSubscription.expirationTime api.PushSubscription.getKey api.PushSubscription.options api.PushSubscription.toJSON api.PushSubscription.unsubscribe api.PushSubscriptionOptions api.PushSubscriptionOptions.applicationServerKey api.PushSubscriptionOptions.userVisibleOnly api.ServiceWorkerRegistration.pushManager

Support data provided by: BCD logo

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This feature was last updated on May 02, 2026.