{
  "title":"Referrer Policy",
  "description":"A policy that controls how much information is shared through the HTTP referrer header. Helps to protect user privacy.",
  "spec":"https://www.w3.org/TR/referrer-policy/",
  "status":"cr",
  "links":[
    {
      "url":"https://blog.mozilla.org/security/2015/01/21/meta-referrer/",
      "title":"Mozilla security article"
    },
    {
      "url":"https://scotthelme.co.uk/a-new-security-header-referrer-policy/",
      "title":"A new security header: Referrer Policy"
    }
  ],
  "bugs":[
    
  ],
  "categories":[
    "Security"
  ],
  "stats":{
    "ie":{
      "5.5":"n",
      "6":"n",
      "7":"n",
      "8":"n",
      "9":"n",
      "10":"n",
      "11":"a #1"
    },
    "edge":{
      "12":"a #1",
      "13":"a #1",
      "14":"a #1",
      "15":"a #1",
      "16":"a #1",
      "17":"a #1",
      "18":"a #1",
      "79":"y",
      "80":"y",
      "81":"y",
      "83":"y",
      "84":"y #3"
    },
    "firefox":{
      "2":"n",
      "3":"n",
      "3.5":"n",
      "3.6":"n",
      "4":"n",
      "5":"n",
      "6":"n",
      "7":"n",
      "8":"n",
      "9":"n",
      "10":"n",
      "11":"n",
      "12":"n",
      "13":"n",
      "14":"n",
      "15":"n",
      "16":"n",
      "17":"n",
      "18":"n",
      "19":"n",
      "20":"n",
      "21":"n",
      "22":"n",
      "23":"n",
      "24":"n",
      "25":"n",
      "26":"n",
      "27":"n",
      "28":"n",
      "29":"n",
      "30":"n",
      "31":"n",
      "32":"n",
      "33":"n",
      "34":"n",
      "35":"n",
      "36":"y",
      "37":"y",
      "38":"y",
      "39":"y",
      "40":"y",
      "41":"y",
      "42":"y",
      "43":"y",
      "44":"y",
      "45":"y",
      "46":"y",
      "47":"y",
      "48":"y",
      "49":"y",
      "50":"y",
      "51":"y",
      "52":"y",
      "53":"y",
      "54":"y",
      "55":"y",
      "56":"y",
      "57":"y",
      "58":"y",
      "59":"y",
      "60":"y",
      "61":"y",
      "62":"y",
      "63":"y",
      "64":"y",
      "65":"y",
      "66":"y",
      "67":"y",
      "68":"y",
      "69":"y",
      "70":"y",
      "71":"y",
      "72":"y",
      "73":"y",
      "74":"y",
      "75":"y",
      "76":"y",
      "77":"y",
      "78":"y",
      "79":"y",
      "80":"y",
      "81":"y",
      "82":"y"
    },
    "chrome":{
      "4":"n",
      "5":"n",
      "6":"n",
      "7":"n",
      "8":"n",
      "9":"n",
      "10":"n",
      "11":"n",
      "12":"n",
      "13":"n",
      "14":"n",
      "15":"n",
      "16":"n",
      "17":"n",
      "18":"n",
      "19":"n",
      "20":"n",
      "21":"a #2",
      "22":"a #2",
      "23":"a #2",
      "24":"a #2",
      "25":"a #2",
      "26":"a #2",
      "27":"a #2",
      "28":"a #2",
      "29":"a #2",
      "30":"a #2",
      "31":"a #2",
      "32":"a #2",
      "33":"a #2",
      "34":"a #2",
      "35":"a #2",
      "36":"a #2",
      "37":"a #2",
      "38":"a #2",
      "39":"a #2",
      "40":"a #2",
      "41":"a #2",
      "42":"a #2",
      "43":"a #2",
      "44":"a #2",
      "45":"a #2",
      "46":"a #2",
      "47":"a #2",
      "48":"a #2",
      "49":"a #2",
      "50":"a #2",
      "51":"a #2",
      "52":"a #2",
      "53":"a #2",
      "54":"a #2",
      "55":"a #2",
      "56":"a #2",
      "57":"a #2",
      "58":"a #2",
      "59":"a #2",
      "60":"a #2",
      "61":"y",
      "62":"y",
      "63":"y",
      "64":"y",
      "65":"y",
      "66":"y",
      "67":"y",
      "68":"y",
      "69":"y",
      "70":"y",
      "71":"y",
      "72":"y",
      "73":"y",
      "74":"y",
      "75":"y",
      "76":"y",
      "77":"y",
      "78":"y",
      "79":"y",
      "80":"y",
      "81":"y",
      "83":"y",
      "84":"y #3",
      "85":"y #3",
      "86":"y #3",
      "87":"y #3",
      "88":"y #3"
    },
    "safari":{
      "3.1":"n",
      "3.2":"n",
      "4":"n",
      "5":"n",
      "5.1":"n",
      "6":"n",
      "6.1":"n",
      "7":"n",
      "7.1":"a #1",
      "8":"a #1",
      "9":"a #1",
      "9.1":"a #1",
      "10":"a #1",
      "10.1":"a #1",
      "11":"a #1",
      "11.1":"y",
      "12":"y",
      "12.1":"y",
      "13":"y",
      "13.1":"y",
      "14":"y",
      "TP":"y"
    },
    "opera":{
      "9":"n",
      "9.5-9.6":"n",
      "10.0-10.1":"n",
      "10.5":"n",
      "10.6":"n",
      "11":"n",
      "11.1":"n",
      "11.5":"n",
      "11.6":"n",
      "12":"n",
      "12.1":"n",
      "15":"y",
      "16":"y",
      "17":"y",
      "18":"y",
      "19":"y",
      "20":"y",
      "21":"y",
      "22":"y",
      "23":"y",
      "24":"y",
      "25":"y",
      "26":"y",
      "27":"y",
      "28":"y",
      "29":"y",
      "30":"y",
      "31":"y",
      "32":"y",
      "33":"y",
      "34":"y",
      "35":"y",
      "36":"y",
      "37":"y",
      "38":"y",
      "39":"y",
      "40":"y",
      "41":"y",
      "42":"y",
      "43":"y",
      "44":"y",
      "45":"y",
      "46":"y",
      "47":"y",
      "48":"y",
      "49":"y",
      "50":"y",
      "51":"y",
      "52":"y",
      "53":"y",
      "54":"y",
      "55":"y",
      "56":"y",
      "57":"y",
      "58":"y",
      "60":"y",
      "62":"y",
      "63":"y",
      "64":"y",
      "65":"y",
      "66":"y",
      "67":"y",
      "68":"y",
      "69":"y",
      "70":"y"
    },
    "ios_saf":{
      "3.2":"n",
      "4.0-4.1":"n",
      "4.2-4.3":"n",
      "5.0-5.1":"n",
      "6.0-6.1":"n",
      "7.0-7.1":"n",
      "8":"a #1",
      "8.1-8.4":"a #1",
      "9.0-9.2":"a #1",
      "9.3":"a #1",
      "10.0-10.2":"a #1",
      "10.3":"a #1",
      "11.0-11.2":"a #1",
      "11.3-11.4":"a #1",
      "12.0-12.1":"y",
      "12.2-12.4":"y",
      "13.0-13.1":"y",
      "13.2":"y",
      "13.3":"y",
      "13.4-13.5":"y",
      "14.0":"y"
    },
    "op_mini":{
      "all":"n"
    },
    "android":{
      "2.1":"n",
      "2.2":"n",
      "2.3":"n",
      "3":"n",
      "4":"n",
      "4.1":"n",
      "4.2-4.3":"n",
      "4.4":"n",
      "4.4.3-4.4.4":"n",
      "81":"y"
    },
    "bb":{
      "7":"n",
      "10":"n"
    },
    "op_mob":{
      "10":"n",
      "11":"n",
      "11.1":"n",
      "11.5":"n",
      "12":"n",
      "12.1":"n",
      "46":"y"
    },
    "and_chr":{
      "84":"y #3"
    },
    "and_ff":{
      "79":"y"
    },
    "ie_mob":{
      "10":"n",
      "11":"n"
    },
    "and_uc":{
      "12.12":"y"
    },
    "samsung":{
      "4":"n",
      "5.0-5.4":"y",
      "6.2-6.4":"y",
      "7.2-7.4":"y",
      "8.2":"y",
      "9.2":"y",
      "10.1":"y",
      "11.1-11.2":"y",
      "12.0":"y"
    },
    "and_qq":{
      "10.4":"y"
    },
    "baidu":{
      "7.12":"y"
    },
    "kaios":{
      "2.5":"y"
    }
  },
  "notes":"",
  "notes_by_num":{
    "1":"Browsers initially supported an [early draft](https://wiki.whatwg.org/wiki/Meta_referrer) of the specification which can only use a meta tag and is only compatible with the `origin` value from the new spec.",
    "2":"Chrome 21-60 did not support the `same-origin`, `strict-origin` and `strict-origin-when-cross-origin` values. ([issue 627968](https://bugs.chromium.org/p/chromium/issues/detail?id=627968))",
    "3":"Chrome is now defaulting to `strict-origin-when-cross-origin` which is the recommended setting for most use-cases."
  },
  "usage_perc_y":92.37,
  "usage_perc_a":3.96,
  "ucprefix":false,
  "parent":"",
  "keywords":"meta,referrer,referer",
  "ie_id":"metareferrer",
  "chrome_id":"5639972996513792",
  "firefox_id":"",
  "webkit_id":"",
  "shown":true
}