React Router Loader Performance

Critical optimization techniques for React Router v7 loaders. Contains 4 rules focused on eliminating waterfalls and maximizing parallel execution.

Impact: CRITICAL - Poor loader performance directly impacts Time To First Byte (TTFB) and perceived page speed.

When to Apply

Use these techniques when:

• Loader TTFB exceeds 500ms
• Multiple database queries execute sequentially
• Secondary data (recommendations, analytics) blocks critical path
• Database latency is high (>50ms per query)
• Optimizing React Router v7 data loading patterns

Rules Summary

Database Optimization (CRITICAL)