The State of Web Vitals

LCP Deep Dive

Q1 2026 | Desktop | 55,913 sites
43.2%
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
text1.3s24% of sites
img1.4s43% of sites
video1.4s2% of sites
background-image1.4s30% of sites
text
24%
1.3s
img
43%
1.4s
video
2%
1.4s
background-image
30%
1.4s

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: text 1.3s, img 1.4s, video 1.4s, background-image 1.4s.

LCP image format

Median LCP
0
0.5s
1s
1.5s
2s
2.5s
3s
3.5s
4s
gif1.2s1% of sites
svg+xml1.4s2% of sites
jpg1.4s50% of sites
png1.4s15% of sites
webp1.4s27% of sites
avif1.4s6% of sites
*2.1s0% of sites
gif
1%
1.2s
svg+xml
2%
1.4s
jpg
50%
1.4s
png
15%
1.4s
webp
27%
1.4s
avif
6%
1.4s
*
0%
2.1s

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: gif 1.2s, svg+xml 1.4s, jpg 1.4s, png 1.4s, webp 1.4s, avif 1.4s, * 2.1s.