Today we are publishing the WebKit Tracking Prevention Policy, covering:

- What types of tracking WebKit will prevent.
- When other tracking countermeasures come into play such as limiting capabilities and informed user consent.
- How WebKit handles unintended impact of our tracking prevention.

We’d like to thank Mozilla for their anti-tracking policy which served as inspiration for ours.

WebKit Tracking Prevention Policy

This document describes the web tracking practices that WebKit believes, as a matter of policy, should be prevented by default by web browsers. These practices are harmful to users because they infringe on a user’s privacy without giving users the ability to identify, understand, consent to, or control them.

We have implemented or intend to implement technical protections in WebKit to prevent all tracking practices included in this policy. If we discover additional tracking techniques, we may expand this policy to include the new techniques and we may implement technical measures to prevent those techniques.

Our current anti-tracking mitigations in WebKit are applied universally to all websites, or based on algorithmic, on-device classification.

We will review WebKit patches in accordance with this policy. We will review new and existing web standards in light of this policy. And we will create new web technologies to re-enable specific non-harmful practices without reintroducing tracking capabilities.

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