---
id: wiki-2026-0508-first-contentful-paint-fcp
title: First Contentful Paint (FCP)
category: 10_Wiki/Topics
status: duplicate
canonical_id: wiki-core-web-vitals
duplicate_of: "[[Core-Web-Vitals]]"
aliases: [FCP, web vitals, paint timing]
source_trust_level: A
confidence_score: 0.92
verification_status: redirected
tags: [duplicate, web-vitals, fcp, performance]
last_reinforced: 2026-05-10
github_commit: pending
---

# First Contentful Paint (FCP)

> **이 문서는 [[Core-Web-Vitals]] 의 specialization 입니다.** Canonical 문서로 redirect.

## 핵심 요약
- 매 first text/image paint.
- 매 target: < 1.8s good, < 3s needs improvement.
- 매 LCP 와 다름 (FCP = first 의 anything, LCP = largest).
- 매 측정: PerformanceObserver.

```js
import { onFCP } from 'web-vitals';
onFCP(({ value }) => analytics.track('FCP', { value }));
```

## 🔗 Graph
- 부모: [[Core-Web-Vitals]] (canonical)
- Adjacent: [[Largest-Contentful-Paint-LCP]] · [[E-commerce-Optimization]]

## 🕓 변경 이력
| 날짜 | 변경 |
|---|---|
| 2026-05-08 | Phase 1 |
| 2026-05-10 | 중복 처리 — canonical 문서로 redirect |