Google Reverses Third-Party Cookie Deprecation: Background and Marketing Implications
A look at Google’s 2024 reversal of third-party cookie deprecation, its proposed approach to user choice, and the implications for digital marketing.
In 2024, Google reversed its plan to phase out third-party cookies after four years of preparation. Against a wider shift towards privacy, this decision had significant implications for digital marketing.
Why did the position change? This article examines the background, the proposed Privacy Sandbox technologies and cooperation with advertisers and regulators, from the perspective of the original 2024 announcement.
Key Questions About the Reversal#
- Why was the phase-out plan reversed?
- How might Privacy Sandbox APIs be used?
- How should marketing strategies adapt?
Google announced plans to phase out third-party cookies in Chrome in January 2020. In July 2024, it proposed a new approach based on informed user choice across web browsing .
Timeline#
| Date | Development |
|---|---|
| January 2020 | Announcement of a gradual third-party cookie phase-out in Chrome |
| June 2021 | Delay following industry concerns, with the original article describing an extension towards 2024 |
| Early 2024 | Testing restrictions with 1% of users |
| July 2024 | Reversal of the phase-out approach and proposal for user choice |
Background to Cookie Deprecation#
- Privacy: address tracking and personal-data concerns.
- Privacy Sandbox: develop and standardise alternative technologies.
- Advertising changes: move towards privacy-oriented targeting and measurement.
Why the Plan Changed#
- Advertiser concerns about targeting, measurement and revenue.
- Regulatory concerns about competition and market concentration.
- Delays in developing and implementing alternatives.
- A new attempt to balance privacy, user choice and advertising effectiveness.
Google’s Proposed Privacy Approach#
The announced approach would allow people to make and adjust choices about cookies across browsing, giving them greater control. Google planned continued investment in Privacy Sandbox APIs and cooperation with regulators and industry.
Not all details had been disclosed at the time of the article. It anticipated the following areas.
Stronger User Choice#
- Choosing whether to allow cookies when visiting websites, potentially including first-party as well as third-party cookies.
- Changing settings or permissions for individual sites.
- Clearer information about how websites collect and use data.
Technologies and Features#
- Privacy Sandbox APIs: targeting and measurement without third-party cookies.
- Topics API: interest-based advertising using data held and processed on the device.
- FLEDGE API: remarketing and personalised advertising with protected user data.
- Attribution Reporting API: measuring advertising effects without personally identifying information.
Changes in User Behaviour#
- Managing cookie choices through browser settings.
- Building awareness of privacy and how personal data is used.
Outlook at the Time of Writing#
Google’s stated goal was to balance privacy and advertising effectiveness while increasing user control. Technology development and adoption would take time, and cooperation with industry and regulators remained important. The article called for continued observation as the approach developed.
Digital Marketing Salon discussed the reversal and its implications on YouTube.