Note
This is a cached result from 29 Sept 2026. A new scan will be available on 27 Oct 2026.

centrum.cz

106.5s 29 Sept 2026
Verdict

4 warnings · 5 checks passed

Advertising assessment: Non-Compliant Grade B
78% Technical score

Tools

8
Criteo advertising Measures without consent; the tool has no cookie-less mode
Non-Compliant
Gemius analytics Measures without consent; we saw no evidence of a cookie-less mode in this audit
.RdAhKMMT0Rw8V8DYI5t7adCjzLg4mctQQ1TebhTKU7.u7
Non-Compliant
Google Ads advertising
Compliant
Google Analytics 4 analytics Measures without consent in cookie-less mode (sends the IP address)
G-DH82M59FN7
Warning
Google Tag Manager functional
GTM-5BVHRVWGTM-MSV56MGW
Compliant
Hotjar analytics
5300993
Compliant
LinkedIn Insight advertising
Compliant
Meta Pixel advertising Measures without consent; the tool has no cookie-less mode
Non-Compliant

Violations

3
Critical
Non-compliant tracking after consent was rejected GCM_010

Affected: Criteo, Gemius, Meta Pixel

After a rejection the listed tools must stop storing visitor IDs and sending measurement, or run only in a verified cookie-less mode.

Warning
Non-compliant tracking before consent GCM_009

Affected: Gemius, Meta Pixel

The listed tools stored a visitor ID or sent measurement before the visitor chose, without a verified cookie-less mode. Load them only after consent, or configure a documented cookie-less mode that sends no IDs.

Warning
Personal data sent to tools without consent GCM_012

Affected: Google Analytics 4

No cookie or visitor ID was stored, but the visitor's IP address and page address — personal data — reached the tool without consent (before the choice or after a rejection). To be Compliant under this check, load the tool only after consent.

Overview

A consent banner is shown 15/15
The consent banner works 5/10
Consent can be rejected 3/10
No tracking before consent 12.86/20
Google Consent Mode is implemented 15/15
Google Consent Mode sends the correct states 10/10
No tracking cookies before consent 10/10
The consent choice persists 5/5
No tracking after rejection 2.5/5

Consent Mode