Web Vitals

Every metric Google measures, what it means, and what moves it.

Core Web Vitalsfield-measured, affect rankings

Cumulative Layout Shift

Good ≤ 0.1

Interaction to Next Paint

Good ≤ 200ms

Largest Contentful Paint

Good ≤ 2.5s

First Contentful Paint

Good ≤ 0.9s

Speed Index

Good ≤ 1.3s

Total Blocking Time

Good ≤ 150ms

Time to First Byte

Good ≤ 800ms

First Input Delay

Deprecated