Note
This is a cached result from 18 Sept 2026. A new scan will be available on 16 Oct 2026.

booking.com

99.8s 18 Sept 2026
Verdict

1 warnings · 8 checks passed

Advertising assessment: Warning Grade A
93% Technical score

Vendors

4
Google Tag Manager functional
GTM-5Q664QZ
Compliant

Violations

1
Warning
Consent Mode default is missing GCM_001

Call gtag('consent', 'default') with denied values before GTM or GA4 loads, so the initial consent state is explicit.

Overview

Consent Banner Exists 15/15
Consent Banner Functional 10/10
Reject Option Available 10/10
No Tracking Before Consent 20/20
Consent Mode Implemented 7.5/15
Consent Mode Correct States 10/10
No Tracking Cookies Before Consent 10/10
Consent Persists Correctly 5/5
No Tracking After Reject 5/5

Consent Mode

Consent Mode Implemented
Has Default Values
Updates on Accept
Updates on Reject
Persists Across Pages
GCS Configuration Valid

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