Why is my Next.js app slow in production but fast locally?
Is Next.js 16 cache actually working with dynamic pages?
What’s the actual difference between Zustand and React Query?
What’s the actual difference between Redis cache and Next.js cache?
What’s the actual difference between React Query cache and Next.js cache?
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asked 4 weeks ago
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I’m trying to optimize a Next.js app and I keep getting confused between:
At first, Next.js caching felt enough, but once the app became more dynamic, I started seeing people add Redis on top of it.
Now I’m confused about:
The docs explain the APIs, but not the real-world architecture decisions behind them.
What’s the practical difference between Redis cache and Next.js cache?
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The biggest difference is:
Next.js cache is great for:
and it works automatically inside the framework.
Redis is more flexible and shared across your entire system.
You usually add Redis when you need things like:
A simple way to think about it:
Most small/medium Next.js apps don’t need Redis immediately.
But larger apps often combine both:
That’s why many production apps end up using both together instead of choosing one.
