Skip to content

Glossary: Web Performance

LCP (Largest Contentful Paint)

Also written: LCP, Largest Contentful Paint, LCP element

A Core Web Vital: the time until the largest image or text block in the first screen is painted. On the slow Kettle & Crane page it is the hero photo, and good is 2.5 s or less.

Where the book teaches it

Related terms

TTFB (Time to First Byte)fetchpriorityCore Web VitalsLCP breakdown