Owner: Engineering Team | Last Updated: 2026-01-30 | Status: Current
Diagnosing and resolving performance issues.
| Issue |
Diagnostic |
Solution |
| Slow initial load |
Check bundle size |
Code split, lazy load routes |
| Janky scrolling |
Check re-renders |
React.memo, useMemo |
| Large images |
Check Network tab |
Use Next.js Image optimization |
| Memory leaks |
Chrome DevTools Memory |
Check for unclean useEffect |
| Issue |
Diagnostic |
Solution |
| Slow API responses |
Check CloudWatch metrics |
Profile Django queries |
| Database bottleneck |
Query analysis |
Add indexes, optimize queries |
| AI model latency |
Response time logs |
Scale inference, add caching |
- Sentry Performance: Transaction traces (10% sampled)
- PostHog: User event timing
- CloudWatch: ECS CPU/memory metrics
- Clarity: Session replay for UI performance
| Date |
Author |
Change |
| 2026-01-30 |
Admin |
Initial creation |
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