{
    "delivery": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "http/headers/Content-Security-Policy.json",
            "name": "upgrade-insecure-requests",
            "slug": "HTTP/Headers/Content-Security-Policy/upgrade-insecure-requests",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/upgrade-insecure-requests",
            "summary": "The HTTP Content-Security-Policy (CSP) upgrade-insecure-requests directive instructs user agents to treat all of a site's insecure URLs (those served over HTTP) as though they have been replaced with secure URLs (those served over HTTPS). This directive is intended for websites with large numbers of insecure legacy URLs that need to be rewritten.",
            "support": {
                "chrome": {
                    "version_added": "43"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "17"
                },
                "firefox": {
                    "version_added": "42"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "10.1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "CSP: upgrade-insecure-requests"
        }
    ],
    "preference": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "http/headers/Upgrade-Insecure-Requests.json",
            "name": "Upgrade-Insecure-Requests",
            "slug": "HTTP/Headers/Upgrade-Insecure-Requests",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Upgrade-Insecure-Requests",
            "summary": "The HTTP Upgrade-Insecure-Requests request header sends a signal to the server expressing the client's preference for an encrypted and authenticated response, and that it can successfully handle the upgrade-insecure-requests CSP directive.",
            "support": {
                "chrome": {
                    "version_added": "44"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "17"
                },
                "firefox": {
                    "version_added": "48"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "10.1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "Upgrade-Insecure-Requests"
        }
    ]
}