Upgrade insecure requestsThe Upgrade-Insecure-Requests HTTP request header tells the server that the response should redirect to a secure (HTTPS) resource.securitySecuritywidely2018-04-302020-10-30https://w3c.github.io/webappsec-upgrade-insecure-requests/https://developer.mozilla.org/docs/Web/HTTP/Reference/Headers/Upgrade-Insecure-Requestshttp.headers.Content-Security-Policy.upgrade-insecure-requestshttp.headers.Upgrade-Insecure-Requestshttps://nowyoucanuse.com/features--upgrade-insecure-requests.html