Upgrade-Insecure-Requests

Read More at MDN DocsView Spec

Safe 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, 2017v10.1.0
5%96%
There are no users of Safari running a supported version.
EdgeApr 30, 2018v17.0.0
5%100%
100% of Edge users are running a supported version.
FirefoxAug 2, 2016v48.0.0
3%100%
100% of Firefox users are running a supported version.

Version Breakdown

 
Agent
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

 
Quest Browser
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

See Also

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