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 · Phone 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.

90.4%
of sites pass CLS
0.00
Typical site
0.10
Worst 10% of sites

90.4% of sites pass CLS. The typical site's CLS is 0.00. The worst 10% are above 0.10.

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

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

0 7,256 14,513 21,769 29,025
0–0.02529,025 sites79.7% of all sites
0.025–0.051,523 sites4.2% of all sites
0.05–0.0751,337 sites3.7% of all sites
0.075–0.1746 sites2% of all sites
0.1–0.125847 sites2.3% of all sites
0.125–0.15612 sites1.7% of all sites
0.15–0.175314 sites0.9% of all sites
0.175–0.2246 sites0.7% of all sites
0.2–0.225283 sites0.8% of all sites
0.225–0.25142 sites0.4% of all sites
0.25–0.275174 sites0.5% of all sites
0.275–0.3167 sites0.5% of all sites
0.3–0.32592 sites0.3% of all sites
0.325–0.35129 sites0.4% of all sites
0.35–0.37556 sites0.2% of all sites
0.375–0.450 sites0.1% of all sites
0.4 and up685 sites1.9% of all sites
p50 = 0.00
p75 = 0.01
p90 = 0.10
p99 = 0.54
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: 36,428 sites

Most sites pass CLS. 90.4% sit at or under 0.10. The typical site is at 0.00, and 75% of sites stay under 0.01. Only 9.6% fail CLS. The worst 10% are above 0.10, and the worst 1% are above 0.54.

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

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

CLS
90.4%
6%
3.5%
Good Needs Improvement Poor

90.4% of sites pass CLS. 6.0% are in the needs improvement band, between 0.1 and 0.25. 3.5% are poor, above 0.25. Misses split about evenly between the two.

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