Core Web Vitals: A Complete Guide for 2025

Core Web Vitals are a set of metrics that measure real-world user experience. In 2025, they remain a ranking factor.

What are Core Web Vitals?

• LCP (Largest Contentful Paint): loading performance (under 2.5s)
• FID (First Input Delay): interactivity (under 100ms)
• CLS (Cumulative Layout Shift): visual stability (under 0.1)

Learn how to measure and improve each metric with practical tips and tools.