Backend
Database Design Mistakes in Every Codebase, and Their Fixes
The recurring database design mistakes behind slow queries, painful migrations and production incidents — with practical fixes and the reasoning.
·4 min read
Tags
Performance
46 articles · Page 2 of 4
Frontend
Optimistic UI Updates: Instant Interfaces with Rollback
Implement optimistic UI updates that feel instant by showing expected state immediately, reconciling with the server and rolling back when a mutation fails.
·4 min read
Frontend
Server or Client Components: Choosing in Next.js
The mental model for choosing between Server and Client Components in Next.js: the rendering boundary, serialization limits and composition patterns.
·4 min read
Backend
Connection Pooling: Tuning for Performance Under Load
A deep dive into connection pool configuration: sizing formulas, connection lifecycle, health checking and diagnosing pool exhaustion under real traffic.
·4 min read
Frontend
WebAssembly: Practical Use Cases Beyond the Hype
A grounded look at where WebAssembly delivers real value: image processing, cryptography, data transformation — and when JavaScript is still better.
·4 min read
Tutorials
Full-Text Search with Elasticsearch and Node.js
A step-by-step tutorial for full-text search with Elasticsearch: index design, analyzers, fuzzy matching, faceted search and performance tuning.
·4 min read
Backend
Connection Pooling for High-Throughput Node.js Services
A deep dive into database connection pooling for Node.js: pool sizing, health checks, failover patterns and the misconfigurations that cause outages.
·6 min read
Frontend
WebAssembly for JavaScript Developers: Practical Use Cases
Practical WebAssembly use cases for JavaScript developers — image processing, compression, cryptography — and when JavaScript is already fast enough.
·5 min read
Frontend
CSS Scroll-Driven Animations: Beyond Scroll Handlers
Build performant scroll-linked animations with the CSS scroll-driven API: scroll and view timelines, parallax and sticky headers, off the main thread.
·4 min read
Engineering
Load Testing: Finding Breaking Points Before Users Do
Design and run load tests with k6: ramping strategies, realistic user simulation, threshold-based pass/fail criteria and reading results to find bottlenecks.
·5 min read
Backend
Connection Pooling for High-Throughput Applications
Configure and tune database connection pools for high-throughput Node.js: pool sizing, health checks, connection lifecycle and what exhausts a pool.
·4 min read
Frontend
Responsive Images: srcset, sizes and Modern Formats
Master responsive image delivery with srcset, sizes, the picture element and modern formats like AVIF and WebP — faster pages, same visual quality.
·5 min read