Upgrade-Insecure-Requests
Read More at MDN DocsView SpecSafe to Use
Upgrade-Insecure-Requests
is considered safe to use.
It’s supported by 93% of global browsers.
Browsers
ChromeJul 21, 2015v44.0.0
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.
EdgeApr 30, 2018v17.0.05%╱100%
100% of Edge users are running a supported version.
FirefoxAug 2, 2016v48.0.03%╱100%
100% of Firefox users are running a supported version.
Version Breakdown
Support
Adoption
Chrome
Jul 21, 2015 v44.0.0
26%╱100%
There are no users of Chrome running a supported version.
Jul 21, 2015 – Latest
v44.0.0+
26%╱100%
Full Support
Chrome Android
Jul 29, 2015 v44.0.0
36%╱100%
100% of Chrome Android users are running a supported version.
Jul 29, 2015 – Latest
v44.0.0+
36%╱100%
Full Support
Edge
Apr 30, 2018 v17.0.0
5%╱100%
100% of Edge users are running a supported version.
Apr 30, 2018 – Latest
v17.0.0+
5%╱100%
Full Support
Firefox
Aug 2, 2016 v48.0.0
3%╱100%
100% of Firefox users are running a supported version.
Aug 2, 2016 – Latest
v48.0.0+
3%╱100%
Full Support
Firefox for Android
Aug 2, 2016 v48.0.0
Firefox for Android supports this feature.
Aug 2, 2016 – Latest
v48.0.0+
Full Support
Internet Explorer
Unsupported
Internet Explorer does not support this feature.
No Support
Unknown v5.0.0
Quest Browser supports this feature.
Unknown
v5.0.0+
Full Support
Opera
Aug 4, 2015 v31.0.0
1%╱100%
100% of Opera users are running a supported version.
Aug 4, 2015 – Latest
v31.0.0+
1%╱100%
Full Support
Opera Android
Sep 23, 2015 v32.0.0
Opera Android supports this feature.
Sep 23, 2015 – Latest
v32.0.0+
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
Jul 29, 2015 v44.0.0
WebView Android supports this feature.
Jul 29, 2015 – Latest
v44.0.0+
Full Support