How to Improve Core Web Vitals

If you care about SEO, user experience, and conversions, you must optimize Core Web Vitals . Core Web Vitals are Google’s real-world performance metrics that measure how fast and stable your website feels to users. They include: Largest Contentful Paint (LCP) – Loading performance Interaction to Next Paint (INP) – Responsiveness Cumulative Layout Shift (CLS) – Visual stability You can measure them using: Google PageSpeed Insights Google Lighthouse Google Search Console Let’s break down how to improve each one — with practical developer examples. 1. Improve Largest Contentful Paint (LCP) Target: Under 2.5 seconds LCP is usually: Hero image Large heading Background banner 1.1 Optimize Images Bad: <img src= "hero.jpg" > Good: <img src= "hero.webp" width= "1200" height= "600" loading= "eager" fetchpriority= "high" alt= "Hero Banner" > Why? Use WebP or AVIF Set explicit width & height Use fetchpriority="high" for hero image 1.2 Preload Critical Resources <link rel= "preload" as= "image" hre