#Performance.
5 posts filed under this topic.
How to Prevent Image Hotlinking in 2026
Stop other sites from stealing your bandwidth. Block image hotlinking with Apache, Nginx, Cloudflare, AWS CloudFront, Vercel, and Netlify — with copy-paste config for each.
Reduce Disk Writes on Debian and Ubuntu Desktop
Five tweaks that cut unnecessary disk writes on Debian and Ubuntu — noatime, volatile journald, tmpfs, swappiness, and zram. Safe on SSDs and HDDs.
How to Debug a Slow SQL Query in PostgreSQL
Step-by-step: find slow queries with pg_stat_statements, read EXPLAIN ANALYZE output, identify missing indexes, fix N+1 queries, and diagnose lock contention.
Docker Desktop Was Killing My Laptop. Here Is What Fixed It.
Docker Desktop using 6GB RAM and spinning the fan constantly. A few targeted config changes — memory caps, layer caching, dev vs prod images — fixed it completely.
Core Web Vitals Explained: How to Measure and Fix Your Scores
Core Web Vitals are Google's performance metrics that affect your search ranking. Here's what LCP, INP, and CLS actually measure, why your scores are bad, and how to fix them.