Article Archive
19 articles covering backend architecture, databases, APIs, infrastructure, and the trade-offs behind durable systems.
Learn how caching works in modern web applications. Understand cache hits, cache misses, Redis caching, cache invalidation, browser caching, CDNs, and the patterns used in production systems.
Learn the difference between authentication and authorization in web development, including sessions, JWT, OAuth, cookies, RBAC, permissions, and common security mistakes.
Learn API rate limiting for backend apps: why it matters, where to apply limits, and how fixed windows, sliding windows, token buckets, and Redis-based Express middleware work in production.
A practical database decision guide for web developers in 2026. Learn when to use PostgreSQL, MongoDB, and Redis, how they fit together, and which one should be the default for your next app.
Confused between REST, GraphQL, and gRPC? This complete guide explains every major API type, when to use each, and what modern web developers actually use in production.
Tired of managing servers? Or fed up with unpredictable serverless bills? We break down the real-world differences between VPS and Serverless to help you pick the right infrastructure for 2026.
Stop your web app from lagging! Learn to fix the N+1 query problem and implement high-performance cursor (keyset) pagination in Next.js/React.js and SQL for 2026 production standards.