Complete Core Web Vitals & Lighthouse Guide
Master Google metrics for a fast and well-ranked website
Core Web Vitals are essential web performance metrics for Google. This guide explains how to measure with Lighthouse, interpret your LCP/CLS/INP scores, and optimize your site to improve user experience and SEO.
< 2.5s
LCP Target
< 0.1
CLS Target
< 200ms
INP Target
90+
Lighthouse Score
Why choose us?
LCP (Largest Contentful Paint)
Loading time of largest visible element. Target: < 2.5s. Optimize images, server, cache.
CLS (Cumulative Layout Shift)
Visual stability of page. Target: < 0.1. Reserve space for images/fonts, avoid dynamic injections.
INP (Interaction to Next Paint)
Responsiveness to interactions. Target: < 200ms. Optimize JavaScript, limit long tasks > 50ms.
Lighthouse CI/CD
Integrate Lighthouse into your pipeline. Automated tests, performance budget, regression alerts.
Frequently Asked Questions
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