The State of Web Vitals

CLS distribution WordPress sites

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

Field data PhoneDesktopAll Scope All sites October 2026 edition · Desktop field outcomes · WordPress sites only
WordPress Scoped to 63,295 sites out of 203,892 analyzed (cms) Compare with all sites →
1

At a glance the headline numbers for CLS distribution

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

77.5%
of sites pass CLS
0.03
Typical site
0.22
Worst 10% of sites

77.5% of sites pass CLS. The typical site's CLS is 0.03. The worst 10% are above 0.22.

The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
2

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

0 1,981 3,963 5,944 7,925
0–0.0257,925 sites46.6% of all sites
0.025–0.052,012 sites11.8% of all sites
0.05–0.0751,921 sites11.3% of all sites
0.075–0.1919 sites5.4% of all sites
0.1–0.1251,038 sites6.1% of all sites
0.125–0.15680 sites4% of all sites
0.15–0.175332 sites2% of all sites
0.175–0.2255 sites1.5% of all sites
0.2–0.225311 sites1.8% of all sites
0.225–0.25168 sites1% of all sites
0.25–0.275224 sites1.3% of all sites
0.275–0.3196 sites1.2% of all sites
0.3–0.325102 sites0.6% of all sites
0.325–0.35102 sites0.6% of all sites
0.35–0.37559 sites0.3% of all sites
0.375–0.465 sites0.4% of all sites
0.4 and up687 sites4% of all sites
p50 = 0.03
p75 = 0.09
p90 = 0.22
p99 = 0.76
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: 16,996 sites

Most sites pass CLS. 77.5% sit at or under 0.10. The typical site is at 0.03, and 75% of sites stay under 0.09. Only 22.5% fail CLS. The worst 10% are above 0.22, and the worst 1% are above 0.76.

The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
3

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

CLS
77.5%
14.5%
8%
Good Needs Improvement Poor

77.5% of sites pass CLS. 14.5% are in the needs improvement band, between 0.1 and 0.25. 8.0% are poor, above 0.25. Misses split about evenly between the two.

The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
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