Improve ad relevance without compromising user privacy. Get started on building your ad solution with the Topics API, a mechanism designed to allow for interest-based advertising. With Topics, the specific sites a user has visited are not shared across the web.

Enable interest-based advertising

Use Topics to display ads users will like with interest-based advertising (IBA).
Use Topics to ensure that users aren't re-identified across sites and apps using fingerprinting.

Get started with Topics API

Integrate Topics API into your web application.
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Integrate Topics API into your mobile app.
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Engage and share feedback

Your feedback is key to improving the Topics API. By sharing your insights, you contribute to the development of a privacy-respecting approach to interest-based advertising.

Web

File a Chromium bug to ask questions about the implementation currently available in Chrome.
Read the Topics API explainer, and raise questions and follow discussion about the design of the Topics API.
Read spec; discuss industry use cases in the Improving Web Advertising Business Group

Android

File a bug to ask questions or provide feedback.
Sign up to receive regular updates and provide feedback on the new privacy solutions proposed by Android.