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CMP Validator

The IAB Europe CMP Validator checks web pages for the availability of a TCF registered CMP and facilitates their auditing.

★★★☆☆3.3 (10) · 6k+ users
Free
Chrome Web Store ↗
what mrrlens sees
MRR · No price listedNo price in the listing
Opportunity—
Buyer threads · 30 d0
“Doesnt work for its intended purpose so do not understand why its even on here.”
#1 complaint · Bugs/Reliability · 3 of 3 complaints read · analysed Oct 31, 2026 · source

01Revenue

No price in the listing

Store data from the Chrome Web Store listing, refreshed daily. Updated 4 d ago.

02Why users leave CMP Validator

Bugs/Reliability3 reviews · 3 of 3

Extension does nothing; reviewer deleted it, re-downloaded only to leave a negative review.

“Doesnt work for its intended purpose so do not understand why its even on here.” source ↗

Sample: 3 recent complaints (1–3★ reviews) · clustered Oct 31, 2026 · complaints from Feb 2025–Feb 2026, almost all in the last 24 months · each review labelled by a model, quotes verbatim

03How to build a better CMP Validator

Build difficultyMediumBrowser extension, TCF API detection, cross-site script timing and iframe variability; no payments, hardware, or regulatory approval.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
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04Who wants a better CMP Validator

0 buyer threads in the last 30 days name CMP Validator, and 4 more are in the same market.

05Questions about CMP Validator

How much revenue does CMP Validator make?

CMP Validator's listing publishes no price and no paid plan, so MRRLens shows no revenue estimate. It may still charge on its own website; a founder can verify the real figure.

What do users complain about most in CMP Validator?

Across 3 recent complaints, the most common is bugs/reliability (3 of 3). Extension does nothing; reviewer deleted it, re-downloaded only to leave a negative review.

What are the best CMP Validator alternatives?

The closest alternative MRRLens found is Consent Data Validator. Why users leave is on the CMP Validator alternatives page.

How many people use CMP Validator?

CMP Validator lists 6k+ users on the Chrome Web Store, rated 3.3 (10).

See the full x-ray of CMP Validator

Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.