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Caching in the App Router used to be something that happened to you. fetch calls were cached or not depending on the version, routes became static

Caching makes Next.js pages fast, but cached content has an obvious problem: it can go out of date. Time-based revalidation helps, since you can tell

Most confusion about caching in Next.js comes from treating it as one thing. You change a record in the database, reload the page, and the old value

Server Actions make it easy to accept a form submission, but they hand you a FormData object full of strings, nulls, and the occasional File. Bef

Example-based tests check the cases you thought of. That's their strength and their limit: if you didn't think of an empty list, a string with an emo

Every database eventually runs into physics. A replica set can only hold as much data as its disks allow, only cache as much as its RAM allows, and o