FLUJOS/VISUALIZACION/node_modules/caniuse-db/features-json/referrer-policy.json
2025-11-07 00:06:12 +01:00

584 lines
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Executable file

{
"title":"Referrer Policy",
"description":"A policy that controls how much information is shared through the HTTP `Referer` 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"
}
],
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],
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"Security"
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},
"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":"Older browsers defaulted to `no-referrer-when-downgrade` which is unsafe. The default has been updated to `strict-origin-when-cross-origin` which is safe for most use cases. See [the revised spec.](https://github.com/w3c/webappsec-referrer-policy/pull/142)",
"4":"[Safari's ITP](https://webkit.org/blog/9661/preventing-tracking-prevention-tracking/) (on by default) downgrades _all_ cross-site subresource request (not page navigation) `Referer` headers to the page's origin, ignoring the `unsafe-url`, `no-referrer-when-downgrade`, and `origin-when-cross-origin` referrer policies.",
"5":"[Firefox 92+ ignores](https://bugzilla.mozilla.org/show_bug.cgi?id=1720294) the `unsafe-url`, `no-referrer-when-downgrade`, and `origin-when-cross-origin` referrer policies, defaulting to `strict-origin-when-cross-origin`."
},
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"ucprefix":false,
"parent":"",
"keywords":"meta,referrer,referer",
"ie_id":"metareferrer",
"chrome_id":"5639972996513792,6251880185331712",
"firefox_id":"",
"webkit_id":"",
"shown":true
}