Content-Security-Policy

Read More at MDN DocsView Spec

Safe to Use

Content-Security-Policy is considered safe to use.

It’s supported by 94% of global browsers.

Browsers

ChromeFeb 21, 2013v25.0.0
26%╱100%
100% of Chrome users are running a supported version.
SafariOct 22, 2013v7.0.0
5%╱100%
100% of Safari users are running a supported version.
EdgeAug 2, 2016v14.0.0
5%╱100%
100% of Edge users are running a supported version.
FirefoxAug 6, 2013v23.0.0
3%╱100%
100% of Firefox users are running a supported version.

Version Breakdown

 
Agent
Support
Adoption
Chrome
Feb 21, 2013 v25.0.0
26%╱100%
100% of Chrome users are running a supported version.
Feb 21, 2013 – Latest
v25.0.0+
26%╱100%

Full Support

Sep 16, 2011 – Latest
v14.0.0+
26%╱100%

Alternate name: X-Webkit-CSP

Chrome Android
Unknown v1.0.0
36%╱100%
100% of Chrome Android users are running a supported version.
Unknown
v1.0.0+
36%╱100%

Full Support

Edge
Aug 2, 2016 v14.0.0
5%╱100%
100% of Edge users are running a supported version.
Aug 2, 2016 – Latest
v14.0.0+
5%╱100%

Full Support

Firefox
Aug 6, 2013 v23.0.0
3%╱100%
100% of Firefox users are running a supported version.
Aug 6, 2013 – Latest
v23.0.0+
3%╱100%

Full Support

Mar 22, 2011 – Latest
v4.0.0+
3%╱100%

Alternate name: X-Content-Security-Policy

Firefox for Android
Aug 6, 2013 v23.0.0
Firefox for Android supports this feature.
Aug 6, 2013 – Latest
v23.0.0+

Full Support

Internet Explorer
Unsupported
Internet Explorer does not support this feature.
Oct 26, 2012 – Latest
v10.0.0+
0%╱83%

Alternate name: X-Content-Security-Policy

Only supporting 'sandbox' directive.

 
Quest Browser
Unknown v1.0.0
Quest Browser supports this feature.
Unknown
v1.0.0+

Full Support

Opera
Jul 2, 2013 v15.0.0
1%╱100%
100% of Opera users are running a supported version.
Jul 2, 2013 – Latest
v15.0.0+
1%╱100%

Full Support

Opera Android
Unknown v1.0.0
Opera Android supports this feature.
Unknown
v1.0.0+

Full Support

Safari
Oct 22, 2013 v7.0.0
5%╱100%
100% of Safari users are running a supported version.
Oct 22, 2013 – Latest
v7.0.0+
5%╱100%

Full Support

Jul 25, 2012 – Latest
v6.0.0+
5%╱100%

Alternate name: X-Webkit-CSP

Safari on iOS
Sep 18, 2013 v7.0.0
17%╱100%
There are no users of Safari on iOS running a supported version.
Sep 18, 2013 – Latest
v7.0.0+
17%╱100%

Full Support

Sep 10, 2012 – Latest
v6.0.0+
17%╱100%

Alternate name: X-Webkit-CSP

Samsung Internet
Apr 27, 2013 v1.0.0
2%╱100%
100% of Samsung Internet users are running a supported version.
Apr 27, 2013 – Latest
v1.0.0+
2%╱100%

Full Support

WebView Android
Sep 23, 2008 v1.0.0
WebView Android supports this feature.
Sep 23, 2008 – Latest
v1.0.0+

Full Support

See Also

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