Web Performance Metrics: The Numbers That Actually Define a Fast Website

• 30 June 2026
• by: Theo Vandenberg
• in: Web hosting
• Tags: Core Web Vitals, lcp inp cls, page speed, ttfb, web performance metrics
• note: no comments

A clear guide to web performance metrics: LCP, INP, CLS, TTFB, and FCP. Learn the good targets (LCP under 2.5s, INP under 200ms) and how to measure and improve each one.

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