Free Tool

Consent Mode Checker

Check if your website properly implements Google Consent Mode v2. Detect errors before you lose data.

Enter website URL

We scan publicly accessible HTML and JavaScript elements. No personal data is collected.

Full URL including https://

What we check:

  • Google Consent Mode presence
  • Consent Mode version (v1 vs v2)
  • ad_storage and analytics_storage parameters
  • New v2 parameters: ad_user_data, ad_personalization
  • CMP platform (Cookiebot, OneTrust, etc.)

What is Google Consent Mode v2?

Since March 2024, Google requires Consent Mode v2 for all EU advertisers.

Consent Mode v1 (old)

Basic consent parameters:

  • ad_storage - advertising cookies
  • analytics_storage - analytics cookies
Insufficient since 03/2024

Consent Mode v2 (required)

New additional parameters:

  • ad_user_data - user data for ads
  • ad_personalization - ad personalization
Required for Google Ads

Supported CMP Platforms

Cookiebot Cookiebot
OneTrust OneTrust
CookieYes CookieYes
Google Consent Mode Consent Mode

Frequently asked questions

What happens if I don't have Consent Mode v2?

Since March 2024, Google won't create new remarketing lists for EEA users without proper Consent Mode v2 implementation. You may lose ad personalization capabilities and measure conversions less accurately.

Will this tool detect all issues?

Our tool checks publicly visible page elements. It detects Consent Mode presence and configuration, but a complete audit requires access to GTM and CMP configuration.

Which CMP platform do I need?

Any CMP platform compliant with TCF 2.2 should work. Popular options include: Cookiebot, OneTrust, Usercentrics, CookieYes, Complianz. Proper CMP-GTM integration is key.