CLS distribution
How CLS is distributed across real-user data, plus pass-rate breakdown.
1
At a glance the headline numbers for CLS distribution
How CLS is distributed across real-user data, plus pass-rate breakdown.
0.09
CLS (p75)
78.0% good
0.03
CLS (median)
0.78
CLS (p99)
Long tail
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
2
CLS Distribution page loads across good, needs improvement and poor
0 3,981 7,962 11,942 15,923
p50 = 0.03
p75 = 0.09
p90 = 0.22
p99 = 0.78
0–0.025 0.025–0.05 0.05–0.075 0.075–0.1 0.1–0.125 0.125–0.15 0.15–0.175 0.175–0.2 0.2–0.225 0.225–0.25 0.25–0.275 0.275–0.3 0.3–0.325 0.325–0.35 0.35–0.375 0.375–0.4 0.4+
Good (≤0.10) Needs improvement Poor (>0.25) Percentile markers Total: 33,002 sites
CLS 0.03. p75 0.09. p99 0.78. 78.0% pass.
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
3
CLS Pass Rates share per category
Good Needs Improvement Poor
CLS passes on 78.0% of sites. 13.6% need improvement, 8.4% fail.
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
Related signals INP → TTFB → LCP → FCP → Chrome field data from 94,910 sites, representing millions of real page loads · How we measured
Chrome field data from 94,910 sites, representing millions of real page loads. How we measured.