databasesPostgreSQL Indexes Explained: B-Trees and Beyond
How Postgres indexes really work — B-tree mechanics, when indexes get ignored, covering, partial, and composite strategies, proven with EXPLAIN.
3 min read
Tag
#performance
5 articles
databases
databasesPostgreSQL Query Optimization: The EXPLAIN ANALYZE Workflow
Make slow Postgres queries fast, methodically — read EXPLAIN ANALYZE, spot sequential scans and bad joins, fix estimates, and repeat a checklist.
4 min read
mobile devReact Native Performance: The Fundamentals That Fix 90% of Jank
Why React Native apps feel slow — the JS thread, list virtualization, image handling, and re-render control, plus a diagnostic workflow for real bottlenecks.
3 min read
web devThe React Rendering Model, Explained Once and Properly
How React decides what to re-render — components, state triggers, reconciliation, keys — and a mental model that avoids perf bugs and over-memoization.
3 min read
bloggingCore Web Vitals for Blogs, in Plain English
LCP, INP, and CLS explained for writers, not engineers — what each metric measures, the thresholds that matter, and the fixes that move them.
2 min read