Cookiebot vs OneTrust

Cookiebot (Google gold, price not published): 0 genuine leak(s), 2 compliant Consent Mode ping(s). OneTrust (Google gold, price not published): 0 genuine leak(s). Both figures are from live headless-browser measurement, not vendor claims — see /cmp/cookiebot/ and /cmp/onetrust/ for full methodology.

Telemetry & pricingCookiebotOneTrust
Google CMP tierGoldGold
Starting price
Pricing modeltieredenterprise_quote
Blocked pre-consent (measured)✓ Yes✓ Yes
Genuine leaks found00
Consent Mode v2 compliant pings20
Unclassified trackers00
Tracking cookies written pre-consent00
Last measured2026-09-11T09:49:05.946035+00:002026-09-11T08:44:49.337841+00:00

Leak/ping/cookie figures are from our own live headless-browser measurement (see scripts/telemetry_probe.py), not vendor marketing claims. Pricing reflects the lowest published single-site tier where a vendor publishes one.

Frequently asked questions

Does Cookiebot block third-party trackers before consent?
Yes — in our own live test, Cookiebot showed 0 genuine pre-consent tracking leaks.
Does OneTrust block third-party trackers before consent?
Yes — in our own live test, OneTrust showed 0 genuine pre-consent tracking leaks.
Is Cookiebot or OneTrust Google CMP certified?
Both are Google CMP certified — Cookiebot at gold tier, OneTrust at gold tier.