Common problems in React and Next.js apps once real users arrive, explained in plain language.
"Cannot set headers after they are sent to the client." What this error means, why it often shows up only in production, and what usually causes it — in plain language.
Errors that never show up in testing and hit only some real users. Why traffic changes how an app behaves, and what usually causes it — in plain language.
Server memory climbs until the app crashes, and a scheduled restart hides it. What it looks like, why it happens, and what to do about it — in plain language.
"Text content did not match server-rendered HTML." What a hydration error is, why it only shows up in production, and the most common causes — in plain language.