Content-Security-Policy-Report-Only

Read More at MDN DocsView Spec

Safe to Use

Content-Security-Policy-Report-Only 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

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

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
Oct 26, 2012 v10.0.0
0%83%
There are no users of Internet Explorer running a supported version.
Oct 26, 2012 – Latest
v10.0.0+
0%83%

Full Support

 
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
Unsupported
Opera Android does not support this feature.

No 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

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

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
Dec 9, 2013 v4.4.0
WebView Android supports this feature.
Dec 9, 2013 – Latest
v4.4.0+

Full Support

See Also

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