Shave 100ms off page load: wymaga caching layer (koszt), complex config (maintenance), potential stale content (UX trade-off).
Performance vs complexity
Micro-optimizations require complex code. Worth? Evaluate.
Cost vs performance
Add CDN: monthly cost. Faster delivery worldwide. Break even calculation.
Maintenance vs scalability
Monolith: easy maintain, hard scale. Microservices: hard maintain, easy scale. Pick poison.
Decision framework
Dla każdej optimization: benefit? cost? worth? Data-driven decisions nie assumptions.