Headers
Read More at MDN DocsView SpecSafe to Use
Headers is considered safe to use.
It’s supported by 93% of global browsers.
Browsers
ChromeApr 14, 2015v42.0.0
26%╱100%
There are no users of Chrome running a supported version.
SafariMar 27, 2017v10.1.05%╱96%
There are no users of Safari running a supported version.
EdgeAug 2, 2016v14.0.05%╱100%
100% of Edge users are running a supported version.
FirefoxJul 2, 2015v39.0.03%╱100%
100% of Firefox users are running a supported version.
Version Breakdown
Support
Adoption
Chrome
Apr 14, 2015 v42.0.0
26%╱100%
There are no users of Chrome running a supported version.
Apr 14, 2015 – Latest
v42.0.0+
26%╱100%
Full Support
Chrome Android
Apr 15, 2015 v42.0.0
36%╱100%
100% of Chrome Android users are running a supported version.
Apr 15, 2015 – Latest
v42.0.0+
36%╱100%
Full Support
Deno
May 4, 2020 v1.0.0
Deno supports this feature.
May 4, 2020 – Latest
v1.0.0+
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
Jul 2, 2015 v39.0.0
3%╱100%
100% of Firefox users are running a supported version.
Jul 2, 2015 – Latest
v39.0.0+
3%╱100%
Full Support
Firefox for Android
Jul 2, 2015 v39.0.0
Firefox for Android supports this feature.
Jul 2, 2015 – Latest
v39.0.0+
Full Support
Internet Explorer
Unsupported
Internet Explorer does not support this feature.
No Support
Node.js
Apr 18, 2022 v18.0.0
Node.js supports this feature.
Apr 18, 2022 – Latest
v18.0.0+
Full Support
Feb 10, 2022 – Latest
v17.5.0+
This feature is behind the --experimental-fetch runtime_flag
Apr 26, 2022 – Latest
v16.15.0+
This feature is behind the --experimental-fetch runtime_flag
Unknown v5.0.0
Quest Browser supports this feature.
Unknown
v5.0.0+
Full Support
Opera
Apr 28, 2015 v29.0.0
1%╱100%
100% of Opera users are running a supported version.
Apr 28, 2015 – Latest
v29.0.0+
1%╱100%
Full Support
Opera Android
Apr 28, 2015 v29.0.0
Opera Android supports this feature.
Apr 28, 2015 – Latest
v29.0.0+
Full Support
Safari
Mar 27, 2017 v10.1.0
5%╱96%
There are no users of Safari running a supported version.
Mar 27, 2017 – Latest
v10.1.0+
5%╱96%
Full Support
Safari on iOS
Mar 27, 2017 v10.3.0
16%╱99%
There are no users of Safari on iOS running a supported version.
Mar 27, 2017 – Latest
v10.3.0+
16%╱99%
Full Support
Samsung Internet
Mar 11, 2016 v4.0.0
2%╱96%
There are no users of Samsung Internet running a supported version.
Mar 11, 2016 – Latest
v4.0.0+
2%╱96%
Full Support
WebView Android
Apr 15, 2015 v42.0.0
WebView Android supports this feature.
Apr 15, 2015 – Latest
v42.0.0+
Full Support