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Next.js Mutating Data

If you learned React before Server Components existed, "mutating data" probably meant one thing: write an API route, call it with fetch from a `use

Every request that hits your Next.js app has to travel through routing, rendering, and eventually a response before it reaches the browser. Most of t

Caching is only half the story. The moment you cache a database query, an API response, or a rendered component, you've created a second problem: at

Streaming is the mechanism underneath nearly every other article in this series' caching and rendering coverage — Cache Components, instant navigatio

Next.js moves fast. The team ships canary builds almost daily, minor releases every few weeks, and a major version roughly once or twice a year. That

If you've already read a guide on "authentication in Next.js," you might assume this article is a rehash — sign up, log in, set a cookie, check it on