Sec-GPC
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The HTTP Sec-GPC request header is part of the Global Privacy Control (GPC) mechanism to indicate whether the user consents to a website or service selling or sharing their personal information with third parties.
The specification does not define how the user can withdraw or grant consent for website.
| Header type | Request header |
|---|---|
| Forbidden header name | Yes (Sec- prefix) |
Syntax
Sec-GPC: <preference>
Directives
<preference>-
A value of
1means the user has indicated that they prefer their information not be shared with, or sold to, third parties. Otherwise, the header is not sent, which indicates that either the user has not made a decision or the user is okay with their information being shared with or sold to third parties.
Examples
Reading Global Privacy Control status from JavaScript
The user's GPC preference can also be read from JavaScript using the Navigator.globalPrivacyControl or WorkerNavigator.globalPrivacyControl property:
navigator.globalPrivacyControl; // "false" or "true"
Specifications
| Specification |
|---|
| Unknown specification |
Browser compatibility
BCD tables only load in the browser