The State of Web Vitals

LCP Deep Dive

Q1 2026 (archived) | 0 sites

All Desktop Phone

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LCP is an image

Element type

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TTFB (p75)

Biggest sub-part

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fetchpriority on LCP

On the actual LCP element

LCP has four sub-parts: TTFB, resource load delay, resource load time, and render delay. This chapter shows where the time goes, how the browser discovers the LCP resource, and which optimization signals sites actually use.