About this skillNext.js Best Practices Principles for Next.js App Router development. 1. Server vs Client Components 🧠 Knowledge Modules (Fractal Skills)1. Decision Tree 2. By Default 3. Fetch Strategy 4. Data Flow 5. File Conventions 6. Route Organization 7. Route Handlers 8. Best Practices 9. Image Optimization 10. Bundle Optimization 11. Static vs Dynamic 12. Essential Tags 13. Cache Layers 14. Revalidation 15. Use Cases 16. Best Practices