You're shipping 85KB of React to render static HTML. Astro sends 8KB and scores Lighthouse 100. Here's when to switch and when Next.js still wins.
Most portfolio advice is written by developers. Here's what someone who hires actually looks at, skips, and wishes you'd stop doing.
Skip the 50-parameter tuning guides. Here are the 3-4 PostgreSQL performance changes that actually matter: indexes, query patterns, and connection pooling.
Forget the '2 years minimum' rule. Real signals it's time to leave your first dev job — and signs you'd be leaving growth on the table.
One meta-framework is obsolete, one wins for most teams. A senior dev's opinionated take on Next.js vs Remix vs Nuxt in 2026.
Zustand is the new default for React state management in 2026. Here's when Redux still wins, when Jotai fits, and when you need no library at all.
Set up bundle analyzers for Webpack, Vite, and Rollup in minutes. Read the treemap, spot bloat patterns, and fix them with concrete steps.
Skip the 'which API is best' debate. Streaming, error handling, and multi-provider patterns that matter when building with AI APIs in production.
Stuck mid-level? A hiring manager explains the real junior to senior developer gap — judgment, communication, and restraint. Not technical skill.
You added loading='lazy' to every image and your LCP got worse. Here's why — and the exact fixes to lazy load without wrecking Core Web Vitals.