What is Core Web Vitals?
Google's three performance metrics: LCP, INP, and CLS.
Core Web Vitals are Google's three performance metrics used as direct ranking signals: Largest Contentful Paint (LCP, target ≤ 2.5 seconds — measures perceived load speed), Interaction to Next Paint (INP, target ≤ 200ms — measures responsiveness), and Cumulative Layout Shift (CLS, target ≤ 0.1 — measures visual stability). Pages that fail Core Web Vitals are ranked lower than competing pages with similar relevance scores; the penalty is real and measurable. PYREXA's marketing surfaces are optimized for sub-2.5s LCP via AVIF image delivery, modern browserslist, font preload, and minimal render-blocking CSS.
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