Website Performance Basics for Non‑Engineers

You do not need to write code to understand why a site feels slow. Core Web Vitals give you a simple vocabulary.

Focus on three numbers

Largest Contentful Paint, Interaction to Next Paint, and Cumulative Layout Shift tell you how fast and stable a page feels.

Partner with your developer or agency

Use these metrics in your contracts so performance is treated as a requirement, not a nice‑to‑have.