{
    "alt-svc": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "http/headers/Alt-Svc.json",
            "name": "Alt-Svc",
            "slug": "HTTP/Headers/Alt-Svc",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Alt-Svc",
            "summary": "The Alt-Svc HTTP header allows a server to indicate that another network location (the \"alternative service\") can be treated as authoritative for that origin when making future requests.",
            "support": {
                "chrome": {
                    "version_added": true
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": false
                },
                "firefox": [
                    {
                        "version_added": "38"
                    },
                    {
                        "version_added": "37",
                        "version_removed": "38",
                        "partial_implementation": true,
                        "notes": "Only supports draft-04"
                    }
                ],
                "firefox_android": "mirror",
                "ie": {
                    "version_added": null
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "preview"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": true
                }
            },
            "title": "Alt-Svc"
        }
    ]
}