3 ms·
Note that HTTP is also upgraded if the UA requests it with the Upgrade-Insecure-Requests header: $ curl -I -H 'Upgrade-Insecure-Requests: 1' 'http://www.w3.o
by chuckhoupt 5y ago
Note that HTTP is also upgraded if the UA requests it with the Upgrade-Insecure-Requests header:
$ curl -I -H 'Upgrade-Insecure-Requests: 1' 'http://www.w3.org/Provider/Style/URI.html'
HTTP/1.1 307 Temporary Redirect
location: https://www.w3.org/Provider/Style/URI.html
vary: Upgrade-Insecure-Requests