Next.js hydration mismatch in production: finding the actual cause
Text content did not match server-rendered HTML. Five real causes, how to tell them apart, and the code that fixes each one.
- Next.js
- React
- Hydration
- SSR
- Debugging
Writing
Notes from production.
What actually breaks in React and Next.js apps once real users arrive, and how to find the cause rather than the symptom.