Core Web Vitals are part of the Page Experience signal Google uses for ranking since 2021. INP replaced FID in March 2024. Targets: LCP ≤ 2.5s, INP ≤ 200ms, CLS ≤ 0.1. If all three are green at the 75th percentile over 28 days, your page meets the bar.
Where to check
- PageSpeed Insights — lab and field
- Google Search Console → Core Web Vitals
- CrUX Dashboard in Looker Studio
- Site Metrics Tool — built into each project