{
 "compat_features": [
  "http.headers.Sec-Fetch-Dest",
  "http.headers.Sec-Fetch-Mode",
  "http.headers.Sec-Fetch-Site",
  "http.headers.Sec-Fetch-User"
 ],
 "description": "The Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site, and Sec-Fetch-User HTTP headers provide extra information about the way a request was made, to help servers reject certain kinds of malicious requests.",
 "description_html": "The <code>Sec-Fetch-Dest</code>, <code>Sec-Fetch-Mode</code>, <code>Sec-Fetch-Site</code>, and <code>Sec-Fetch-User</code> HTTP headers provide extra information about the way a request was made, to help servers reject certain kinds of malicious requests.",
 "group": [
  "fetch"
 ],
 "kind": "feature",
 "name": "Fetch metadata request headers",
 "spec": [
  "https://w3c.github.io/webappsec-fetch-metadata/"
 ],
 "status": {
  "baseline": false,
  "by_compat_key": {
   "http.headers.Sec-Fetch-Dest": {
    "baseline": "high",
    "baseline_high_date": "2025-09-27",
    "baseline_low_date": "2023-03-27",
    "support": {
     "chrome": "80",
     "chrome_android": "80",
     "edge": "80",
     "firefox": "90",
     "firefox_android": "90",
     "safari": "16.4",
     "safari_ios": "16.4"
    }
   },
   "http.headers.Sec-Fetch-Mode": {
    "baseline": "high",
    "baseline_high_date": "2025-09-27",
    "baseline_low_date": "2023-03-27",
    "support": {
     "chrome": "76",
     "chrome_android": "76",
     "edge": "79",
     "firefox": "90",
     "firefox_android": "90",
     "safari": "16.4",
     "safari_ios": "16.4"
    }
   },
   "http.headers.Sec-Fetch-Site": {
    "baseline": "high",
    "baseline_high_date": "2025-09-27",
    "baseline_low_date": "2023-03-27",
    "support": {
     "chrome": "76",
     "chrome_android": "76",
     "edge": "79",
     "firefox": "90",
     "firefox_android": "90",
     "safari": "16.4",
     "safari_ios": "16.4"
    }
   },
   "http.headers.Sec-Fetch-User": {
    "baseline": false,
    "support": {
     "chrome": "76",
     "chrome_android": "76",
     "edge": "79",
     "firefox": "90",
     "firefox_android": "90"
    }
   }
  },
  "support": {
   "chrome": "80",
   "chrome_android": "80",
   "edge": "80",
   "firefox": "90",
   "firefox_android": "90"
  }
 },
 "id": "fetch-metadata",
 "groups": [
  "fetch"
 ],
 "specs": [
  {
   "url": "https://w3c.github.io/webappsec-fetch-metadata/",
   "seriesComposition": "full",
   "shortname": "fetch-metadata",
   "series": {
    "shortname": "fetch-metadata",
    "currentSpecification": "fetch-metadata",
    "title": "Fetch Metadata Request Headers",
    "shortTitle": "Fetch Metadata",
    "releaseUrl": "https://www.w3.org/TR/fetch-metadata/",
    "nightlyUrl": "https://w3c.github.io/webappsec-fetch-metadata/"
   },
   "shortTitle": "Fetch Metadata",
   "organization": "W3C",
   "groups": [
    {
     "name": "Web Application Security Working Group",
     "url": "https://www.w3.org/groups/wg/webappsec/"
    }
   ],
   "release": {
    "url": "https://www.w3.org/TR/fetch-metadata/",
    "status": "Working Draft",
    "filename": "Overview.html"
   },
   "nightly": {
    "url": "https://w3c.github.io/webappsec-fetch-metadata/",
    "status": "Editor's Draft",
    "alternateUrls": [],
    "repository": "https://github.com/w3c/webappsec-fetch-metadata",
    "sourcePath": "index.bs",
    "filename": "index.html"
   },
   "title": "Fetch Metadata Request Headers",
   "source": "w3c",
   "categories": [
    "browser"
   ],
   "standing": "good",
   "tests": {
    "repository": "https://github.com/web-platform-tests/wpt",
    "testPaths": [
     "fetch/metadata"
    ]
   },
   "fragment": null
  }
 ],
 "mdnUrls": [
  {
   "slug": "Web/HTTP/Reference/Headers/Sec-Fetch-Dest",
   "title": "Sec-Fetch-Dest header",
   "anchor": null,
   "url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Headers/Sec-Fetch-Dest"
  },
  {
   "slug": "Web/HTTP/Reference/Headers/Sec-Fetch-Mode",
   "title": "Sec-Fetch-Mode header",
   "anchor": null,
   "url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Headers/Sec-Fetch-Mode"
  },
  {
   "slug": "Web/HTTP/Reference/Headers/Sec-Fetch-Site",
   "title": "Sec-Fetch-Site header",
   "anchor": null,
   "url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Headers/Sec-Fetch-Site"
  },
  {
   "slug": "Web/HTTP/Reference/Headers/Sec-Fetch-User",
   "title": "Sec-Fetch-User header",
   "anchor": null,
   "url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Headers/Sec-Fetch-User"
  }
 ],
 "standardPositions": [],
 "hasNegativeStandardPosition": false,
 "stateOfSurveys": [],
 "chromeUseCounters": {},
 "interop": [],
 "wpt": {
  "url": "https://wpt.fyi/results?q=feature:fetch-metadata"
 },
 "developerSignals": {
  "url": "https://github.com/web-platform-dx/developer-signals/issues/406",
  "votes": 2
 },
 "bugs": {
  "chrome": [
   "https://bugs.chromium.org/p/chromium/issues/detail?id=843478"
  ],
  "safari": [
   "https://webkit.org/b/247697"
  ],
  "safari_ios": [
   "https://webkit.org/b/247697"
  ],
  "webview_ios": [
   "https://webkit.org/b/247697"
  ]
 },
 "useCases": null,
 "baselineLowDateAsObject": null,
 "baselineHighDateAsObject": null,
 "blockedOn": "Safari",
 "blockedSince": "July 2021",
 "monthsBlocked": 62
}