Core Web Vitals Optimization Checklist for Developers
If your website loads slowly, shifts its layout mid-scroll, or takes forever to respond to a click — Google is already penalising you for it. Since Core Web Vitals became an official Google ranking factor, developers no longer have the luxury of treating performance as a "nice to have." It is a direct input into where your pages rank. At Creation Infoways, we work with developers and digital teams every day on website performance optimization and technical SEO. This checklist covers everything you need to measure, fix, and maintain excellent Core Web Vitals scores — and rank for the queries that matter. Metric Full Form Target LCP Largest Contentful Paint Under 2.5 seconds INP Interaction to Next Paint Under 200 ms CLS Cumulative Layout Shift Under 0.1 1. Largest Contentful Paint (LCP) — make the hero load fast LCP measures how quickly the largest visible element — usually a hero image or H1 — renders on screen. A poor LCP s...