DRF Performance

Django ORM N+1 Queries in Serializers: Detecting and Fixing Them

N+1 query bugs in Django serializers can silently turn a fast endpoint into a database-hammering bottleneck. Learn how to detect them with django-debug-toolbar and nplusone, then fix them permanently with select_related and prefetch_related.

Jun 28, 2026 8m read 👁 19

How to Optimize Django REST APIs for Performance (Complete DRF Guide 2026)

Django REST Framework (DRF) makes it easy to build powerful APIs, but performance issues can quickly emerge as your application grows. Slow database queries, inefficient serializers, missing indexes, and lack of caching can significantly impact API response times and user experience.

Jun 17, 2026 5m read 👁 30