GLOSSARY TERM
What is FCP (First Contentful Paint)?
Definition
The time from page navigation to when the first DOM content (text, image, SVG, or non-blank canvas) is rendered. A user-perceived performance metric.
Why it Matters for AI Search
FCP is the moment the page stops looking blank. Slow FCP (above 1.8s) is one of the strongest predictors of bounce rate. Defer non-critical JavaScript, inline critical CSS, and preload key resources to improve.
Related Terms
LCP (Largest Contentful Paint)Interaction to Next Paint (INP)Render-Blocking ResourcesTTFB (Time to First Byte)Lazy LoadingTTI (Time to Interactive)
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