Largest Contentful Paint (LCP)

« Back to Glossary Index

Definition: Largest Contentful Paint (LCP) is a web performance metric that reports the render time of the largest visible element on a webpage (for example, a hero image or prominent text block) from when the page first starts loading, used to gauge loading speed and a key factor in user experience and SEO rankings.

Why It Matters: Understanding this concept is essential for modern web strategies, directly impacting user engagement and technical performance.

How It Works: Performance and implementation are generally evaluated using industry-standard tracking tools and technical audits. This process often closely interacts with concepts like User Experience.

Related: User Experience, Cumulative Layout Shift, First Input Delay

Synonyms:
LCP, Largest Contentful Paints