What's a good Largest Contentful Paint?
A good Largest Contentful Paint is 2.5s or lower — Google's 'good' threshold: 2.5 seconds or less at the 75th percentile. Time until the largest visible content element renders. Excellent is 1.5s or lower (Karbon target), and the minimum acceptable tier is 4.0s or lower (Google's 'poor' line: over 4.0 seconds at the 75th percentile).
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The three tiers Karbon grades against — and where each comes from
| Tier | Value | What it means | Basis |
|---|---|---|---|
| Minimum | 4.0s | The floor. Below this, something is broken. | Google's 'poor' line: over 4.0 seconds at the 75th percentile |
| Recommended | 2.5s | The tier a healthy campaign should hit. | Google's 'good' threshold: 2.5 seconds or less at the 75th percentile |
| Excellent | 1.5s | Top-tier performance worth defending. | Karbon target |
| Published threshold | 2.5 s | Google's Core Web Vitals 'good' threshold, 75th percentile. Source (2025-05) | |
Lower is better for this metric.
Why Largest Contentful Paint matters
LCP is a Core Web Vital, and Google counts a page as good only when 75% of loads render the main content within 2.5 seconds. Slow first paint is the point where paid visitors give up before seeing the offer.
Sources
The three tiers on this page are Karbon Agency's grading targets. These published figures are the outside reference points for Largest Contentful Paint, so you can check our tiers against them.
- web.dev (Google) — Largest Contentful Paint (LCP) (September 4, 2025; read September 26, 2026)Good LCP is 2.5 seconds or less; poor is greater than 4.0 seconds, measured at the 75th percentile of page loads.
Where does your Largest Contentful Paint land?
Karbon Agency grades every client campaign against these exact tiers, live on a dashboard — no guessing, no quarterly PDFs.