LCP, INP, CLS — the three metrics Google watches. Here are the concrete optimizations that moved several sites into the green.
In 2024 INP replaced FID. In 2026 Google is stricter.
Hero image as direct img, fetchpriority=high, AVIF/WebP, preload, inline critical CSS.
Reduce client JS, yield long tasks, Web Workers, kill third-party, debounce.
Width/height on images, reserve space for async content, font-display tuning.
web-vitals.js to send field data to your analytics.
Iterator helpers, Promise.try, Set methods, Regex /v flag. ES2025 is the densest update since ES6. Full tour with real use cases.
Three years after the tease, one year after Next.js 15. Production feedback on RSC: what really works and what still breaks.
A year after Bun 1.2 and the runtime explosion, here is the field verdict: who to pick for what, and when hype misleads.
I design and ship tailor-made applications. 9 years of experience. Let's talk over a coffee (or a call).
Start a project