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Get Started Free →Routing, layouts, streaming and cache semantics in the Next.js App Router: which boundary makes a component a server component, why a fetch is deduplicated, when revalidation actually happens, and reading the build output to see what became static.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-02 | ✗→✓ | ▲ Improved | 28% | 0% |
| case-03 | ✓→✓ | ＝ Same ✓ | 27% | 0% |
| case-04 | ✓→✓ | ＝ Same ✓ | -9% | 0% |
| case-05 | ✓→✓ | ＝ Same ✓ | -4% | 0% |
| case-06 | ✓→✓ | ＝ Same ✓ | -1% | 0% |
Routing, layouts, streaming and cache semantics in the Next.js App Router: which boundary makes a component a server component, why a fetch is deduplicated, when revalidation actually happens, and reading the build output to see what became static.
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