The Core Web Vitals checklist for 2026

Everything Google cares about — INP, LCP, CLS — in one walkthrough.

Nishant Singh

May 18, 2026 · 4 min read

Google's Core Web Vitals are the closest thing the web has to a performance scorecard. Here's our 2026 checklist.

LCP — Largest Contentful Paint

Aim for under 2.5s on mobile. Above 4s is poor.

Replaced FID in 2024. Aim for under 200ms.

Aim for 0. Reserve space for images, fonts and ads.

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