Insights and lessons learned from building production applications
Complete guide to achieving 100/100 Lighthouse score in Next.js. Real portfolio case study: WebP optimization, Three.js deferring, code splitting, accessibility, and security headers.
Open-source study companion: ingest course materials to generate summaries, flashcards, Q&A, and schedules — built with React, Next.js, and Supabase.
How I shipped a fast, secure, and low-cost static site on S3 + CloudFront: OAC, cache policies (max-age, s-maxage, stale-while-revalidate, stale-if-error), versioning, and concrete performance gains..
Real-world PostgreSQL optimization techniques from handling 50,000+ daily sensor readings. Indexing strategies, query planning, and monitoring tips that delivered measurable results.