Headers: Permissions-Policy.web-share
Permissions-Policy: web-share directive
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
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Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The HTTP Permissions-Policy header web-share directive controls whether the current document is allowed to use the Navigator.share() method of the Web Share API to share text, links, images, and other content to arbitrary destinations of the user's choice.
Specifically, where a defined policy blocks usage of this feature, Navigator.share() calls will return a Promise that rejects with a DOMException of type NotAllowedError.
Syntax
Permissions-Policy: web-share=<allowlist>;
<allowlist>-
A list of origins for which permission is granted to use the feature. See
Permissions-Policy> Syntax for more details.
Default policy
The default allowlist for web-share is self.
Specifications
| Specification |
|---|
| Web Share API> # permissions-policy> |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
web-share |
88 | 88 | No | 74 | No | 88 | No | 63 | No | 15.0 | No | No |
See also
© 2005–2025 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/web-share
