{
  "title":"'SameSite' cookie attribute",
  "description":"Same-site cookies (n\u00e9e \"First-Party-Only\" (n\u00e9e \"First-Party\")) allow servers to mitigate the risk of CSRF and information leakage attacks by asserting that a particular cookie should only be sent with requests initiated from the same registrable domain.",
  "spec":"https://tools.ietf.org/html/draft-west-first-party-cookies-06",
  "status":"other",
  "links":[
    {
      "url":"http://www.sjoerdlangkemper.nl/2016/04/14/preventing-csrf-with-samesite-cookie-attribute/",
      "title":"Preventing CSRF with the same-site cookie attribute"
    },
    {
      "url":"https://bugzilla.mozilla.org/show_bug.cgi?id=795346",
      "title":"Mozilla Bug #795346: Add SameSite support for cookies"
    }
  ],
  "bugs":[
    
  ],
  "categories":[
    "Other"
  ],
  "stats":{
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      "5.5":"n",
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    "opera":{
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      "8":"n",
      "8.1-8.4":"n",
      "9.0-9.2":"n",
      "9.3":"n",
      "10.0-10.2":"n"
    },
    "op_mini":{
      "all":"n"
    },
    "android":{
      "2.1":"n",
      "2.2":"n",
      "2.3":"n",
      "3":"n",
      "4":"n",
      "4.1":"n",
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      "4.4":"n",
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      "53":"y"
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    "bb":{
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    "op_mob":{
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      "11":"n",
      "11.1":"n",
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    "and_chr":{
      "56":"y"
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    "and_ff":{
      "51":"n"
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    "ie_mob":{
      "10":"n",
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    "and_uc":{
      "11":"n"
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    "samsung":{
      "4":"n"
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    "and_qq":{
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  },
  "notes":"This feature is backwards compatible. Browsers not supporting this feature will simply use the cookie as a regular cookie. There is no need to deliver different cookies to clients.",
  "notes_by_num":{
    
  },
  "usage_perc_y":49.68,
  "usage_perc_a":0,
  "ucprefix":false,
  "parent":"",
  "keywords":"security,cookies,cookie,csrf",
  "ie_id":"",
  "chrome_id":"4672634709082112",
  "firefox_id":"",
  "webkit_id":"",
  "shown":true
}