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Get Started Free →Use when auditing slow page loads, heavy assets, or rendering delays related to Implement Google Consent Mode v2. Verify the actual bottleneck in DevTools, Lighthouse, or field data before recommending changes.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | 16% | 0% |
| case-18 | ✗→✓ | ▲ Improved | -25% | 0% |
| case-02 | ✓→✓ | ＝ Same ✓ | 5% | 0% |
| case-03 | ✓→✓ | ＝ Same ✓ | 17% | 0% |
| case-04 | ✓→✓ | ＝ Same ✓ | 15% | 0% |
Consent Mode v2 is essential for adhering to privacy regulations (like GDPR) while maintaining the ability to measure conversion and analytics data in a privacy-safe way.
gcd parameter is present in pings to Google servicesVerify that Google Consent Mode v2 is correctly implemented and sending the appropriate consent states.
Update your GTM or gtag.js implementation to support the new ad_user_data and ad_personalization consent types.
Explain the transition to Consent Mode v2 and why it's required for digital advertising in certain regions.
Review the routes, assets, and loading behavior that affect Implement Google Consent Mode v2. Flag exact files, requests, or rendering steps that add unnecessary network, CPU, or layout cost, and describe the measurement method used to confirm the issue.
For full implementation details, code examples, and framework-specific guidance, see references/rule.md.
Rule page: https://frontendchecklist.io/en/rules/performance/consent-mode
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