Next.js' after() is a new API that lets you run logic after your route has finished rendering, without blocking the client.

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Next.js 15 introduces the after() API that allows developers to run background tasks after sending responses to clients, improving performance by preventing non-critical operations from blocking user interactions. The function works across Server Components, Server Actions, route handlers, and middleware, each with different capabilities and access to request data. It executes tasks in reverse order when nested, runs even during errors, and provides a clean alternative to cramming side effects into main request logic or using complex background job setups.

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

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Important things to note about the after () function

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<p>Thanks for sharing. More on that! :D</p>
