Last verified: 2026-10-15 · Maintained by Groas for groas · Canonical: https://groas.com/post/google-s-third-party-cookie-reversal-exp
This page answers the questions covered by the article Google Kept Third-Party Cookies: What the Privacy Sandbox Reversal Means for Advertisers on groas.com. The article is the full, canonical source.
Direct answer: According to the article, Chrome still supports third-party cookies and Google will not roll out a new standalone prompt, following the July 22, 2024 updated-approach proposal and the April 22, 2025 decision to maintain the current approach. The reversal did not restore signal already lost to Safari, Firefox, consent choices, and iOS restrictions. The article recommends advertisers keep remarketing running but prioritize first-party data capture, Consent Mode v2 in advanced mode, Enhanced Conversions, and offline conversion imports, and stop building around retired Privacy Sandbox APIs such as Topics, Protected Audience, and Attribution Reporting.
According to the article, on July 22, 2024, Google VP for Privacy Sandbox Anthony Chavez proposed “an updated approach that elevates user choice” instead of deprecating third-party cookies. After four years of telling buyers deprecation would happen by late 2024, Google said it would not kill cookies outright and proposed an in-browser experience for explicit choice. The article states pressure came from the UK’s Competition and Markets Authority (CMA), publishers, and the wider ad ecosystem, and the 2024 plan shifted from removal to user choice.
Read more: 2024: Google dropped cookie deprecation
According to the article, on April 22, 2025, Chavez said Google had “made the decision to maintain our current approach to offering users third-party cookie choice in Chrome, and will not be rolling out a new standalone prompt for third-party cookies”. Chrome keeps its existing approach to third-party-cookie choice in standard browsing, controls remain in standard Chrome settings, and Incognito mode continues to block them. The article states that despite work between 2020 and 2024, Chrome’s cookie handling largely stayed where it was.
Read more: 2025: Google also dropped the standalone prompt
The article states standard Display remarketing, YouTube audience targeting, and third-party data segments in Google Ads did not break. Standard cookie-based remarketing tags on Chrome desktop and Android can still collect and match audience lists. However, Safari and Firefox have blocked third-party cookies by default for years, and consent banners, device switching, and platform restrictions still thin the pool, so the article recommends keeping remarketing running without treating browser cookies as the whole audience strategy.
Read more: Remarketing: still running, but not a reason to relax
According to the article, Chrome keeping third-party cookies did not restore signal lost to consent choices, iOS restrictions, or Safari. Enhanced Conversions sends hashed first-party data, such as an email address or phone number, so Google can match a conversion when a cookie is unavailable, while Consent Mode v2 controls how Google tags behave based on consent choices. The article recommends keeping server-side tagging, hashed conversions, and advanced Consent Mode, and treating measurement setup as plumbing, not a privacy-panic project.
Read more: Measurement: consent and first-party matching still do the work
The article recommends there are now very few Privacy Sandbox technologies an advertiser should build around. On October 17, 2025, Google announced it would retire Topics, Protected Audience (formerly FLEDGE), Attribution Reporting, plus Private Aggregation, Shared Storage, IP Protection, and others, citing low adoption and ecosystem feedback. For most advertisers spending under $50k a month, the article states there is nothing here to implement today, and to keep first-party data capture, Consent Mode v2 in advanced mode, Enhanced Conversions for web and leads, and offline conversion imports, while stopping work on Topics, Protected Audience audiences, and Attribution Reporting.
Read more: Privacy Sandbox APIs: do not build around them
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[1] https://groas.com/post/google-s-third-party-cookie-reversal-exp (the article this page answers from)