{ "http": { "status": { "103": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Status/103", "spec_url": [ "https://httpwg.org/specs/rfc8297.html#early-hints", "https://html.spec.whatwg.org/multipage/semantics.html#early-hints" ], "support": { "chrome": { "version_added": "103", "notes": "Supported in HTTP/2 and later only." }, "chrome_android": "mirror", "edge": "mirror", "firefox": { "version_added": "120" }, "firefox_android": "mirror", "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "17", "notes": "Supported in HTTP/2 and later only." }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "webview_ios": "mirror" }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "preconnect": { "__compat": { "description": "`rel=preconnect`", "spec_url": "https://html.spec.whatwg.org/multipage/links.html#link-type-preconnect", "support": { "chrome": { "version_added": "103" }, "chrome_android": "mirror", "edge": "mirror", "firefox": { "version_added": "120" }, "firefox_android": "mirror", "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "17" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "webview_ios": "mirror" }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "preload": { "__compat": { "description": "`rel=preload`", "spec_url": "https://html.spec.whatwg.org/multipage/links.html#link-type-preload", "support": { "chrome": { "version_added": "103" }, "chrome_android": "mirror", "edge": "mirror", "firefox": { "version_added": "123" }, "firefox_android": "mirror", "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": false }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "webview_ios": "mirror" }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } }, "308": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Status/308", "spec_url": "https://httpwg.org/specs/rfc9110.html#status.308", "support": { "chrome": { "version_added": "36" }, "chrome_android": "mirror", "edge": { "version_added": "12" }, "firefox": { "version_added": "14" }, "firefox_android": "mirror", "ie": { "version_added": "11", "notes": "Does not work below Windows 10." }, "oculus": "mirror", "opera": { "version_added": "24" }, "opera_android": "mirror", "safari": { "version_added": "7" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "webview_ios": "mirror" }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "425": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Status/425", "spec_url": "https://httpwg.org/specs/rfc8470.html#status", "tags": [ "web-features:early-data" ], "support": { "chrome": { "version_added": "76", "flags": [ { "type": "preference", "name": "#enable-tls13-early-data" } ], "impl_url": "https://crbug.com/41272059" }, "chrome_android": "mirror", "edge": "mirror", "firefox": { "version_added": "60" }, "firefox_android": "mirror", "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": false }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "webview_ios": "mirror" }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } } } }