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Description
Measure Core Web Vitals (LCP, CLS, INP) and diagnose what's hurting your page speed. Page Speed & Core Web Vitals is a lightweight Chrome extension that measures Core Web Vitals (LCP, CLS, INP) for the currently opened web page using browser performance APIs. The extension works instantly without any login, account, or external service. All metrics are calculated locally in the browser and displayed in a clear visual format for easy understanding. Features: • Largest Contentful Paint (LCP) • Cumulative Layout Shift (CLS) • Interaction to Next Paint (INP) • Real-time metrics for the current page • No tracking, no sign-in, no data collection This tool is useful for SEO professionals, developers, and website owners who want quick performance insights while browsing.