{
    "dfn-savedata": [
        {
            "engines": [
                "blink"
            ],
            "filename": "api/NetworkInformation.json",
            "name": "saveData",
            "slug": "API/NetworkInformation/saveData",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation/saveData",
            "summary": "The NetworkInformation.saveData read-only property of the NetworkInformation interface returns true if the user has set a reduced data usage option on the user agent.",
            "support": {
                "chrome": {
                    "version_added": "65"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "NetworkInformation.saveData"
        }
    ],
    "save-data-request-header-field": [
        {
            "engines": [
                "blink"
            ],
            "filename": "http/headers/Save-Data.json",
            "name": "Save-Data",
            "slug": "HTTP/Headers/Save-Data",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Save-Data",
            "summary": "The Save-Data network client hint request header field is a boolean which indicates the client's preference for reduced data usage. This could be for reasons such as high transfer costs, slow connection speeds, etc.",
            "support": {
                "chrome": {
                    "version_added": "49"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": false
                },
                "firefox": {
                    "version_added": null
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": null
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "35"
                },
                "opera_android": {
                    "version_added": "35"
                },
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "Save-Data"
        }
    ]
}
