Core Web Vitals: Complete Optimization Guide

Optimize LCP, INP, and CLS to pass Google's page experience signals.

Core Web Vitals are ranking factors measuring loading (LCP), interactivity (INP), and visual stability (CLS).

LCP — Largest Contentful Paint

Target: <2.5s. Optimize: compress images, lazy load, preload hero, use CDN.

Target: <200ms. Optimize: reduce JS execution, break up long tasks, defer scripts.

Target: <0.1. Optimize: set image dimensions, reserve ad space, use font-display: swap.

Pro Tip

Test on real mobile devices. CWV are measured on mobile where performance is worse.

Check Core Web Vitals with our checker. Get LCP, INP, CLS scores and recommendations.