# backend

- [cache-routes-using-varnish.mo](/dev-standards/performance/backend/cache-routes-using-varnish.mo.md)
- [serve-images-as-static-files.mo](/dev-standards/performance/backend/serve-images-as-static-files.mo.md)
- [minimize-number-sql-queries.mo](/dev-standards/performance/backend/minimize-number-sql-queries.mo.md)
- [python-investigation-tools.mo](/dev-standards/performance/backend/python-investigation-tools.mo.md)
- [how-to-investigate-performance.mo](/dev-standards/performance/backend/how-to-investigate-performance.mo.md)
- [output-sql-alchemy-orm-query.mo](/dev-standards/performance/backend/output-sql-alchemy-orm-query.mo.md)