# RateRight v2 Performance Optimization Plan

## 1. Database Query Optimization
✅ **Completed Tasks:**
- Added foreign key indexes in migration 20260122073239_fk_indexes.sql
- Need to add more indexes for common query patterns

**Next Steps:**
- Add composite indexes for filtered queries
- Add indexes for date range queries
- Optimize JSONB queries with GIN indexes
- Add partial indexes for status-based queries

## 2. Image Compression and Lazy Loading
**Current State:** Need to implement
**Plan:**
- Implement responsive image loading
- Add WebP format support with fallbacks
- Implement lazy loading for images
- Add image CDN integration

## 3. API Response Caching
**Current State:** No caching implemented
**Plan:**
- Implement Redis caching for frequently accessed data
- Add in-memory caching for session data
- Implement cache invalidation strategies
- Add ETags for conditional requests

## 4. Code Splitting and Bundle Optimization
✅ **Current State:** Good foundation with Vite
- Already using manual chunks in vite.config.js
- PWA plugin configured
**Improvements:**
- Add dynamic imports for route-based code splitting
- Optimize vendor chunk sizes
- Implement preloading for critical chunks

## 5. PWA Improvements
✅ **Current State:** Basic PWA setup exists
**Improvements:**
- Add offline support with background sync
- Implement push notification handling
- Add app shell architecture
- Improve caching strategies

## Implementation Order:
1. Database optimizations (immediate impact)
2. API caching (medium impact)
3. Frontend optimizations (user-facing impact)
4. PWA improvements (engagement impact)