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Web Push Subscriber Demo - Online Test Notifications

Developer Tools PWA demo notification subscribe Web Push
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Push Subscription Not Subscribed
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Send Test Notification
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Frequently Asked Questions

Web Push notifications are messages sent from a server to a user's browser, even when the website is not open. They are based on the Push API and Notifications API, and require a service worker to display notifications.
Click the "Subscribe" button above. Your browser will request permission, then register a service worker and generate a unique subscription including endpoint and keys. This subscription must be sent to your server to enable sending pushes.
VAPID (Voluntary Application Server Identification) keys are used to authenticate your server when sending push messages. You generate a public/private key pair. The public key is used in the subscribe call, while the private key stays on your server to sign requests.
Yes! The "Send Test Notification" button uses the browser's built-in Notification API to simulate a push notification. Real push requires a server to send messages to the push service.
Web Push is supported in Chrome, Firefox, Edge, Opera, and Samsung Internet. Safari has partial support (requires macOS 13+ and specific setup). Always test on your target browsers.
The Push API requires a secure context (HTTPS or localhost) to work. This ensures that subscriptions and push messages cannot be tampered with. Most browsers block Service Workers on insecure origins.
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