Key Factors for Real-Time Push Notification Delivery Speed Explained

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An article on DEV Community clarifies that no Software Development Kit (SDK) can deliver push notifications faster than the underlying platform services, Firebase Cloud Messaging (FCM) for Android and Apple Push Notification service (APNs) for iOS. The role of a good SDK is to ensure messages are sent correctly for immediate delivery and to report on their status. It details several factors affecting delivery speed, including message priority settings, device power states, and stale device tokens. The article concludes by advising developers to evaluate SDKs based on features like priority control, delivery receipts, and token management for time-sensitive alerts.

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