X-Content-Type-Options
Read More at MDN DocsView SpecSafe to Use
X-Content-Type-Options is considered safe to use.
It’s supported by 93% of global browsers.
Browsers
ChromeJan 23, 2018v64.0.0
26%╱99%
There are no users of Chrome running a supported version.
SafariSep 19, 2017v11.0.05%╱96%
There are no users of Safari running a supported version.
EdgeJul 28, 2015v12.0.05%╱100%
100% of Edge users are running a supported version.
FirefoxNov 15, 2016v50.0.03%╱100%
100% of Firefox users are running a supported version.
Version Breakdown
Support
Adoption
Chrome
Jan 23, 2018 v64.0.0
26%╱99%
There are no users of Chrome running a supported version.
Jan 23, 2018 – Latest
v64.0.0+
26%╱99%
Full Support
Dec 11, 2008 – Latest
v1.0.0+
26%╱100%
Partial Support
Not supported for stylesheets.
Chrome Android
Jan 23, 2018 v64.0.0
36%╱100%
100% of Chrome Android users are running a supported version.
Jan 23, 2018 – Latest
v64.0.0+
36%╱100%
Full Support
Unknown
v1.0.0+
36%╱100%
Partial Support
Not supported for stylesheets.
Edge
Jul 28, 2015 v12.0.0
5%╱100%
100% of Edge users are running a supported version.
Jul 28, 2015 – Latest
v12.0.0+
5%╱100%
Full Support
Firefox
Nov 15, 2016 v50.0.0
3%╱100%
100% of Firefox users are running a supported version.
Nov 15, 2016 – Latest
v50.0.0+
3%╱100%
Full Support
Firefox for Android
Nov 15, 2016 v50.0.0
Firefox for Android supports this feature.
Nov 15, 2016 – Latest
v50.0.0+
Full Support
Internet Explorer
Mar 19, 2009 v8.0.0
0%╱100%
100% of Internet Explorer users are running a supported version.
Mar 19, 2009 – Latest
v8.0.0+
0%╱100%
Full Support
Unknown v5.0.0
Quest Browser supports this feature.
Unknown
v5.0.0+
Full Support
Unknown
v1.0.0+
Partial Support
Not supported for stylesheets.
Opera
Unknown v1.0.0
1%╱100%
100% of Opera users are running a supported version.
Unknown
v1.0.0+
1%╱100%
Full Support
Opera Android
Unknown v1.0.0
Opera Android supports this feature.
Unknown
v1.0.0+
Full Support
Safari
Sep 19, 2017 v11.0.0
5%╱96%
There are no users of Safari running a supported version.
Sep 19, 2017 – Latest
v11.0.0+
5%╱96%
Full Support
Safari on iOS
Sep 19, 2017 v11.0.0
16%╱99%
There are no users of Safari on iOS running a supported version.
Sep 19, 2017 – Latest
v11.0.0+
16%╱99%
Full Support
Samsung Internet
Sep 15, 2018 v9.0.0
2%╱93%
There are no users of Samsung Internet running a supported version.
Sep 15, 2018 – Latest
v9.0.0+
2%╱93%
Full Support
Apr 27, 2013 – Latest
v1.0.0+
2%╱100%
Partial Support
Not supported for stylesheets.
WebView Android
Jan 23, 2018 v64.0.0
WebView Android supports this feature.
Jan 23, 2018 – Latest
v64.0.0+
Full Support
Sep 23, 2008 – Latest
v1.0.0+
Partial Support
Not supported for stylesheets.