{
 "caniuse": [
  "cors"
 ],
 "compat_features": [
  "http.headers.Access-Control-Allow-Credentials",
  "http.headers.Access-Control-Allow-Headers",
  "http.headers.Access-Control-Allow-Headers.authorization_not_covered_by_wildcard",
  "http.headers.Access-Control-Allow-Headers.wildcard",
  "http.headers.Access-Control-Allow-Methods",
  "http.headers.Access-Control-Allow-Methods.wildcard",
  "http.headers.Access-Control-Allow-Origin",
  "http.headers.Access-Control-Expose-Headers",
  "http.headers.Access-Control-Expose-Headers.wildcard",
  "http.headers.Access-Control-Max-Age",
  "http.headers.Access-Control-Request-Headers",
  "http.headers.Access-Control-Request-Method"
 ],
 "description": "Cross-Origin Resource Sharing is an HTTP-header based mechanism that allows a server to indicate any origins (domain, scheme, or port) other than its own from which a browser should permit loading resources. Also known as CORS.",
 "description_html": "Cross-Origin Resource Sharing is an HTTP-header based mechanism that allows a server to indicate any origins (domain, scheme, or port) other than its own from which a browser should permit loading resources. Also known as CORS.",
 "group": [
  "security"
 ],
 "kind": "feature",
 "name": "CORS",
 "spec": [
  "https://fetch.spec.whatwg.org/#http-cors-protocol"
 ],
 "status": {
  "baseline": "high",
  "baseline_high_date": "2018-01-29",
  "baseline_low_date": "2015-07-29",
  "by_compat_key": {
   "http.headers.Access-Control-Allow-Credentials": {
    "baseline": "high",
    "baseline_high_date": "2018-01-29",
    "baseline_low_date": "2015-07-29",
    "support": {
     "chrome": "4",
     "chrome_android": "18",
     "edge": "12",
     "firefox": "3.5",
     "firefox_android": "4",
     "safari": "4",
     "safari_ios": "3.2"
    }
   },
   "http.headers.Access-Control-Allow-Headers": {
    "baseline": "high",
    "baseline_high_date": "2018-01-29",
    "baseline_low_date": "2015-07-29",
    "support": {
     "chrome": "4",
     "chrome_android": "18",
     "edge": "12",
     "firefox": "3.5",
     "firefox_android": "4",
     "safari": "4",
     "safari_ios": "3.2"
    }
   },
   "http.headers.Access-Control-Allow-Headers.authorization_not_covered_by_wildcard": {
    "baseline": false,
    "support": {}
   },
   "http.headers.Access-Control-Allow-Headers.wildcard": {
    "baseline": "high",
    "baseline_high_date": "2023-01-28",
    "baseline_low_date": "2020-07-28",
    "support": {
     "chrome": "63",
     "chrome_android": "63",
     "edge": "79",
     "firefox": "69",
     "firefox_android": "79",
     "safari": "13",
     "safari_ios": "13"
    }
   },
   "http.headers.Access-Control-Allow-Methods": {
    "baseline": "high",
    "baseline_high_date": "2018-01-29",
    "baseline_low_date": "2015-07-29",
    "support": {
     "chrome": "4",
     "chrome_android": "18",
     "edge": "12",
     "firefox": "3.5",
     "firefox_android": "4",
     "safari": "4",
     "safari_ios": "3.2"
    }
   },
   "http.headers.Access-Control-Allow-Methods.wildcard": {
    "baseline": "high",
    "baseline_high_date": "2023-01-28",
    "baseline_low_date": "2020-07-28",
    "support": {
     "chrome": "63",
     "chrome_android": "63",
     "edge": "79",
     "firefox": "69",
     "firefox_android": "79",
     "safari": "13",
     "safari_ios": "13"
    }
   },
   "http.headers.Access-Control-Allow-Origin": {
    "baseline": "high",
    "baseline_high_date": "2018-01-29",
    "baseline_low_date": "2015-07-29",
    "support": {
     "chrome": "4",
     "chrome_android": "18",
     "edge": "12",
     "firefox": "3.5",
     "firefox_android": "4",
     "safari": "4",
     "safari_ios": "3.2"
    }
   },
   "http.headers.Access-Control-Expose-Headers": {
    "baseline": "high",
    "baseline_high_date": "2018-01-29",
    "baseline_low_date": "2015-07-29",
    "support": {
     "chrome": "4",
     "chrome_android": "18",
     "edge": "12",
     "firefox": "3.5",
     "firefox_android": "4",
     "safari": "4",
     "safari_ios": "3.2"
    }
   },
   "http.headers.Access-Control-Expose-Headers.wildcard": {
    "baseline": "high",
    "baseline_high_date": "2023-01-28",
    "baseline_low_date": "2020-07-28",
    "support": {
     "chrome": "65",
     "chrome_android": "65",
     "edge": "79",
     "firefox": "69",
     "firefox_android": "79",
     "safari": "13",
     "safari_ios": "13"
    }
   },
   "http.headers.Access-Control-Max-Age": {
    "baseline": "high",
    "baseline_high_date": "2018-01-29",
    "baseline_low_date": "2015-07-29",
    "support": {
     "chrome": "4",
     "chrome_android": "18",
     "edge": "12",
     "firefox": "3.5",
     "firefox_android": "4",
     "safari": "4",
     "safari_ios": "3.2"
    }
   },
   "http.headers.Access-Control-Request-Headers": {
    "baseline": "high",
    "baseline_high_date": "2018-01-29",
    "baseline_low_date": "2015-07-29",
    "support": {
     "chrome": "4",
     "chrome_android": "18",
     "edge": "12",
     "firefox": "3.5",
     "firefox_android": "4",
     "safari": "4",
     "safari_ios": "3.2"
    }
   },
   "http.headers.Access-Control-Request-Method": {
    "baseline": "high",
    "baseline_high_date": "2018-01-29",
    "baseline_low_date": "2015-07-29",
    "support": {
     "chrome": "4",
     "chrome_android": "18",
     "edge": "12",
     "firefox": "3.5",
     "firefox_android": "4",
     "safari": "4",
     "safari_ios": "3.2"
    }
   }
  },
  "support": {
   "chrome": "4",
   "chrome_android": "18",
   "edge": "12",
   "firefox": "3.5",
   "firefox_android": "4",
   "safari": "4",
   "safari_ios": "3.2"
  }
 },
 "id": "cors",
 "groups": [
  "security"
 ],
 "specs": [
  {
   "url": "https://fetch.spec.whatwg.org/#http-cors-protocol",
   "seriesComposition": "full",
   "shortname": "fetch",
   "series": {
    "shortname": "fetch",
    "currentSpecification": "fetch",
    "title": "Fetch",
    "shortTitle": "Fetch",
    "nightlyUrl": "https://fetch.spec.whatwg.org/"
   },
   "organization": "WHATWG",
   "groups": [
    {
     "name": "Fetch Workstream",
     "url": "https://fetch.spec.whatwg.org/"
    }
   ],
   "nightly": {
    "url": "https://fetch.spec.whatwg.org/",
    "status": "Living Standard",
    "alternateUrls": [],
    "repository": "https://github.com/whatwg/fetch",
    "sourcePath": "fetch.bs",
    "filename": "index.html"
   },
   "title": "Fetch",
   "source": "whatwg",
   "shortTitle": "Fetch",
   "categories": [
    "browser"
   ],
   "standing": "good",
   "tests": {
    "repository": "https://github.com/web-platform-tests/wpt",
    "testPaths": [
     "cors",
     "fetch"
    ],
    "excludePaths": [
     "fetch/local-network-access",
     "fetch/metadata"
    ]
   },
   "fragment": "http-cors-protocol"
  }
 ],
 "mdnUrls": [
  {
   "slug": "Web/HTTP/Guides/CORS",
   "title": "Cross-Origin Resource Sharing (CORS)",
   "anchor": null,
   "url": "https://developer.mozilla.org/docs/Web/HTTP/Guides/CORS"
  }
 ],
 "standardPositions": [],
 "hasNegativeStandardPosition": false,
 "stateOfSurveys": [],
 "chromeUseCounters": {},
 "interop": [],
 "wpt": {
  "url": "https://wpt.fyi/results?q=feature:cors"
 },
 "developerSignals": null,
 "bugs": {
  "chrome": [
   "https://crbug.com/1176753"
  ]
 },
 "baselineLowDateAsObject": "2015-07-29T00:00:00.000Z",
 "baselineHighDateAsObject": "2018-01-29T00:00:00.000Z"
}