OneTrust Hits 41% GDPR Compliance, Osano Just 4% in 2026
OneTrust's default cookie banner meets GDPR's minimum compliance bar 41% of the time versus 4% for Osano, per a CHI 2025 study of 254,148 websites by Nouwens et al. See the full 2026 compliance-rate benchmark by CMP vendor, plus real-world opt-in data from a 2,391-site vendor benchmark.
