SMRTR ProgrammingJun 24, 2025LogRocket

How to optimize your Next.js app with after()

SMRTR summary

Next.js 15 introduces after(), a new API for running non-blocking code after a response is sent. It can be used in Server Components, Server Actions, route handlers, and middleware to handle tasks like logging, analytics, and background processes without delaying the user experience. after() improves app efficiency and scalability by deferring non-critical operations.

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