LCP distribution React sites

How LCP is distributed across real-user data, plus pass-rate breakdown.

Field data PhoneDesktopAll Scope All sites October 2026 edition · All devices field outcomes · React sites only
React Scoped to 9,570 sites out of 210,902 analyzed (frameworks) Compare with all sites →
1

At a glance the headline numbers for LCP distribution

How LCP is distributed across real-user data, plus pass-rate breakdown.

84.6%
of sites pass LCP
1.4s
Typical site
2.9s
Worst 10% of sites

84.6% of sites pass LCP. The typical site's LCP is 1.4s. The worst 10% are above 2.9s.

The State of Web Vitals · October 2026 · React sites (9,570) · all devices field datacorewebvitals.io/state-of-cwv
2

The LCP distribution site count at each LCP, from good to poor

0 392 783 1,175 1,566
0–250ms0 sites0% of all sites
250–500ms39 sites0.4% of all sites
500–750ms653 sites7.2% of all sites
750–1000ms1,488 sites16.5% of all sites
1000–1250ms1,566 sites17.4% of all sites
1250–1500ms1,161 sites12.9% of all sites
1500–1750ms963 sites10.7% of all sites
1750–2000ms750 sites8.3% of all sites
2000–2250ms578 sites6.4% of all sites
2250–2500ms427 sites4.7% of all sites
2500–2750ms308 sites3.4% of all sites
2750–3000ms245 sites2.7% of all sites
3000–3250ms174 sites1.9% of all sites
3250–3500ms157 sites1.7% of all sites
3500–3750ms110 sites1.2% of all sites
3750–4000ms81 sites0.9% of all sites
4000ms and up320 sites3.5% of all sites
p50 = 1.4s
p75 = 2.1s
p90 = 2.9s
p99 = 5.5s
0–250 250–500 500–750 750–1000 1000–1250 1250–1500 1500–1750 1750–2000 2000–2250 2250–2500 2500–2750 2750–3000 3000–3250 3250–3500 3500–3750 3750–4000 4000+
Good (≤2.5s) Needs improvement Poor (>4s) Percentile markers Total: 9,020 sites

Most sites pass LCP. 84.6% sit at or under 2.5s. The typical site is at 1.4s, and 75% of sites stay under 2.1s. Only 15.4% fail LCP. The slowest 10% are above 2.9s, and the slowest 1% are above 5.5s.

The State of Web Vitals · October 2026 · React sites (9,570) · all devices field datacorewebvitals.io/state-of-cwv
3

The LCP pass rate the share of sites that are good, needs improvement and poor

LCP
84.6%
11.9%
3.5%
Good Needs Improvement Poor

84.6% of sites pass LCP. 11.9% are in the needs improvement band, between 2.5s and 4s. 3.5% are poor, above 4s. A miss is usually needs improvement, not poor.

The State of Web Vitals · October 2026 · React sites (9,570) · all devices field datacorewebvitals.io/state-of-cwv
Related signals TTFB → FCP → CLS → INP → 210,902 crawled sites with Chrome field data, representing millions of real page loads · How we measured