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Description
Monitor Core Web Vitals (FCP, LCP, CLS, INP) in real time Web Vitals Monitor gives you instant visibility into the four Core Web Vitals metrics that Google uses to evaluate page experience: ▸ FCP (First Contentful Paint) — How quickly the first content appears ▸ LCP (Largest Contentful Paint) — When the main content finishes loading ▸ CLS (Cumulative Layout Shift) — Visual stability of the page ▸ INP (Interaction to Next Paint) — Responsiveness to user input ★ Key Features: • Real-time monitoring on every page you visit • Color-coded ratings based on Google's official thresholds (Good / Needs Work / Poor) • Clean, minimal UI with progress bars • Auto-refreshing data — CLS and INP update as you interact • One-click page reload to re-measure • Zero configuration required • No data collection — 100% local, privacy-first ★ Rating Thresholds (Google Standards): • FCP: Good < 1.8s | Poor ≥ 3s • LCP: Good < 2.5s | Poor ≥ 4s • CLS: Good < 0.1 | Poor ≥ 0.25 • INP: Good < 200ms | Poor ≥ 500ms Perfect for web developers, SEO specialists, and performance engineers who need quick page performance checks without opening DevTools. Lightweight. Fast. No permissions abuse. Just the metrics you need.