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The Privacy Sandbox

A series of proposals to satisfy cross-site use cases without third-party cookies or other tracking mechanisms.

Read the documentation

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Introduction

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Prevent covert tracking

Proposals to prevent third-parties from fingerprinting or collecting unlimited sensitive data.

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Show relevant content

Proposals to encourage an engaging web with free access to information.

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Measure digital ads

Proposals to collect accurate and useful measurement of digital ads, so you can get messages to the right people at the right time.

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Strengthen privacy boundaries

Proposals to create and strengthen cross-site privacy. This means information collected on one site is not automatically shared with another site, unless the user explicitly consents.

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Secure cross-site storage

Prevent fraud, run A/B testing, rotate creatives, and support other use cases, while protecting user privacy.

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Fight spam and fraud

Proposals to separate invalid clicks and impressions from legitimate ones.

Shield.
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