The State of Web Vitals
LCP Deep Dive
Q1 2026 | Phone | 55,913 sites43.2%
LCP is an image
Element type
—
TTFB (p75)
Biggest sub-part
—
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.
What is the LCP element?
Median LCP
0
0.5s
1s
1.5s
2s
2.5s
3s
3.5s
4s
img1.5s43% of sites
text1.5s24% of sites
background-image1.7s30% of sites
video1.7s2% of sites
What is the LCP element? is img on 43.2% of sites (23,044 of 53,395), background-image on 30.0%, text on 24.4%, video on 2.4%.
Ranked fastest first: img 1.5s, text 1.5s, background-image 1.7s, video 1.7s.
LCP image format
Median LCP
0
0.5s
1s
1.5s
2s
2.5s
3s
3.5s
4s
avif1.4s6% of sites
gif1.4s1% of sites
webp1.5s27% of sites
jpg1.6s50% of sites
png1.6s15% of sites
svg+xml1.6s2% of sites
*2s0% of sites
LCP image format is jpg on 49.9% of sites (17,314 of 34,713), webp on 26.9%, png on 14.6%, avif on 6.0%, svg+xml on 2.0%, gif on 0.5%.
Ranked fastest first: avif 1.4s, gif 1.4s, webp 1.5s, jpg 1.6s, png 1.6s, svg+xml 1.6s, * 2.0s.