Technical SEO

What is LCP (Largest Contentful Paint)?

LCP is the time until the largest visible element (usually the hero image or H1) appears on screen — target: < 2.5s.

LCP (Largest Contentful Paint) is one of the 3 Core Web Vitals. It measures perceived loading — what matters is not "page loaded" but "user sees something useful".

Biggest culprits: hero image without priority/wrong lazy, fonts blocking render, JavaScript hydrating before paint. Fixes: image preload, fonts with display:swap, aggressive code-splitting.

Formula

Bom: ≤ 2,5s · Pode melhorar: 2,5–4,0s · Ruim: > 4,0s

Use it in practice

SEO Analyzer

Frequently asked questions

Why is my LCP 4s even on a fast site?
Likely hero image not preloaded or fonts blocking. Check PageSpeed Insights for the culprit element.
Does LCP only count on mobile?
Google measures both, but mobile-first indexing prioritizes mobile. Optimize for mobile first.