{
 "compat_features": [
  "http.headers.Early-Data",
  "http.status.425"
 ],
 "description": "TLS 1.3 sessions may be resumed more quickly by sending so-called early data to servers before the TLS handshake has finished. Also known as zero round-trip time resumption or 0-RTT.",
 "description_html": "TLS 1.3 sessions may be resumed more quickly by sending so-called early data to servers before the TLS handshake has finished. Also known as zero round-trip time resumption or 0-RTT.",
 "kind": "feature",
 "name": "Early data",
 "spec": [
  "https://httpwg.org/specs/rfc8470.html"
 ],
 "status": {
  "baseline": false,
  "by_compat_key": {
   "http.headers.Early-Data": {
    "baseline": false,
    "support": {
     "firefox": "58",
     "firefox_android": "58"
    }
   },
   "http.status.425": {
    "baseline": false,
    "support": {
     "firefox": "58",
     "firefox_android": "58"
    }
   }
  },
  "support": {
   "firefox": "58",
   "firefox_android": "58"
  }
 },
 "id": "early-data",
 "groups": [],
 "specs": [
  {
   "url": "https://httpwg.org/specs/rfc8470.html",
   "seriesComposition": "full",
   "shortname": "rfc8470",
   "series": {
    "shortname": "rfc8470",
    "currentSpecification": "rfc8470",
    "title": "Using Early Data in HTTP",
    "shortTitle": "Using Early Data in HTTP",
    "nightlyUrl": "https://httpwg.org/specs/rfc8470.html"
   },
   "organization": "IETF",
   "groups": [
    {
     "name": "HTTP Working Group",
     "url": "https://datatracker.ietf.org/wg/httpbis/"
    }
   ],
   "nightly": {
    "url": "https://httpwg.org/specs/rfc8470.html",
    "status": "Proposed Standard",
    "alternateUrls": [
     "https://datatracker.ietf.org/doc/html/rfc8470",
     "https://tools.ietf.org/html/rfc8470"
    ],
    "repository": "https://github.com/httpwg/httpwg.github.io",
    "sourcePath": "specs/rfc8470.xml",
    "filename": "rfc8470.html"
   },
   "title": "Using Early Data in HTTP",
   "source": "ietf",
   "shortTitle": "Using Early Data in HTTP",
   "categories": [
    "browser"
   ],
   "standing": "good",
   "fragment": null
  }
 ],
 "mdnUrls": [
  {
   "slug": "Web/HTTP/Reference/Headers/Early-Data",
   "title": "Early-Data header",
   "anchor": null,
   "url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Headers/Early-Data"
  },
  {
   "slug": "Web/HTTP/Reference/Status/425",
   "title": "425 Too Early",
   "anchor": null,
   "url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Status/425"
  }
 ],
 "standardPositions": [],
 "hasNegativeStandardPosition": false,
 "stateOfSurveys": [],
 "chromeUseCounters": {},
 "interop": [],
 "wpt": {
  "url": "https://wpt.fyi/results?q=feature:early-data"
 },
 "developerSignals": {
  "url": "https://github.com/web-platform-dx/developer-signals/issues/78",
  "votes": 0
 },
 "bugs": {
  "chrome": [
   "https://crbug.com/789599",
   "https://crbug.com/41272059"
  ],
  "chrome_android": [
   "https://crbug.com/41272059"
  ],
  "edge": [
   "https://crbug.com/41272059"
  ],
  "oculus": [
   "https://crbug.com/41272059"
  ],
  "opera": [
   "https://crbug.com/41272059"
  ],
  "opera_android": [
   "https://crbug.com/41272059"
  ],
  "samsunginternet_android": [
   "https://crbug.com/41272059"
  ],
  "webview_android": [
   "https://crbug.com/41272059"
  ]
 },
 "useCases": null,
 "baselineLowDateAsObject": null,
 "baselineHighDateAsObject": null
}