* 仕様書

[REFS[
- [19] [CITE@en-GB-x-hixie[HTML Standard]] ([TIME[2016-05-24 17:09:37 +09:00]]) <https://html.spec.whatwg.org/#link-type-noreferrer>
]REFS]

* リンク型

[28] 
[[リンク型]]として [CODE[noreferrer]] を指定できます。

* [CODE[window.open]]

[29] 
[CODE[window.open]] のオプションの引数として 
[CODE[noreferrer]] 
を指定できます。

[30] 
[CODE[noopener]] が暗示的に指定されたとみなされます。

* 歴史

[1] [CITE[Chromium Blog: Links That Open in New Processes]]
([TIME[2011-04-04 04:07:16 +09:00]] 版)
<http://blog.chromium.org/2009/12/links-that-open-in-new-processes.html>

[2] [CITE[Surfin' Safari - Blog Archive » WebKit nightlies support HTML5 noreferrer link relation]]
([TIME[2011-04-04 14:50:46 +09:00]] 版)
<http://www.webkit.org/blog/907/webkit-nightlies-support-html5-noreferrer-link-relation/>

[3] [CITE[IRC logs: freenode / #whatwg / 20111025]]
( ([TIME[2011-10-28 22:33:52 +09:00]] 版))
<http://krijnhoetmer.nl/irc-logs/whatwg/20111025>

[4] [CITE[IRC logs: freenode / #whatwg / 20120508]]
( ([TIME[2012-05-12 19:16:00 +09:00]] 版))
<http://krijnhoetmer.nl/irc-logs/whatwg/20120508#l-1303>

[5] [CITE@en[Links to Unrelated Browsing Contexts - WHATWG Wiki]]
( ([TIME[2012-06-07 08:19:44 +09:00]] 版))
<http://wiki.whatwg.org/wiki/Links_to_Unrelated_Browsing_Contexts>

[6] [CITE[Chromium Blog: Links That Open in New Processes]]
( ([TIME[2012-06-06 19:18:00 +09:00]] 版))
<http://blog.chromium.org/2009/12/links-that-open-in-new-processes.html>

[7] [CITE[''''''[''''''whatwg'''''']'''''' Proposal for Links to Unrelated Browsing Contexts]]
( ([TIME[2012-10-02 07:10:41 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-October/037485.html>

[8] [CITE[704320 – Implement <meta name="referrer">]]
( ([TIME[2013-02-03 11:10:08 +09:00]] 版))
<https://bugzilla.mozilla.org/show_bug.cgi?id=704320>

[9] [CITE@en[704320 – Implement <meta name="referrer">]]
( ([TIME[2013-05-09 02:03:53 +09:00]] 版))
<https://bugzilla.mozilla.org/show_bug.cgi?id=704320>

[10] [CITE@en[530396 – Support for <a rel="noreferrer"> functionality]]
( ([TIME[2013-05-09 09:08:37 +09:00]] 版))
<https://bugzilla.mozilla.org/show_bug.cgi?id=530396>

[11] [CITE[Issue 87580 - chromium - Chrome browser ignores rel="noreferrer" on right click. - An open-source project to help move the web forward. - Google Project Hosting]]
( ([TIME[2013-10-13 08:14:37 +09:00]] 版))
<https://code.google.com/p/chromium/issues/detail?id=87580>

[12] [CITE[HTML - Referrer を制御する - Qiita]]
( ([TIME[2014-06-09 09:11:13 +09:00]] 版))
<http://qiita.com/wakaba@github/items/707d72f97f2862cd8000>

[13] [CITE@en[Bug 26058 – "noreferrer" support in Fetch.]]
( ([TIME[2014-06-13 15:06:54 +09:00]] 版))
<https://www.w3.org/Bugs/Public/show_bug.cgi?id=26058>

[14] [CITE@en[Re: ''''''[''''''Referrer'''''']'''''' Adding a referrer attribute delivery mechanism]]
([[Mike West]] 著, [TIME[2015-02-12 16:38:41 +09:00]] 版)
<https://lists.w3.org/Archives/Public/public-webappsec/2015Feb/0241.html>

[15] [CITE@en[Integrate Fetch into HTML · whatwg/html@7c5555a]]
([TIME[2015-09-18 18:53:27 +09:00]] 版)
<https://github.com/whatwg/html/commit/7c5555a16f2920c02244c10756bb2f1a11e87a22>

[16] [CITE@en[resolve the differences between noreferrer and referrerpolicy · w3c/webappsec-referrer-policy@dbe6b0e]]
([TIME[2015-10-29 12:42:46 +09:00]] 版)
<https://github.com/w3c/webappsec-referrer-policy/commit/dbe6b0e14d573f4047378f17dcfb73d0f73dfd6a>

[17] [CITE@en[Add a 'noopener' <link rel> keyword and window feature · whatwg/html@2992ea9]] ([TIME[2015-11-12 22:05:37 +09:00]] 版) <https://github.com/whatwg/html/commit/2992ea921bc75e44157451a37a807a8ce0b9a884>

[18] [CITE@en[1031264 – <a rel="noreferrer"> does not work if open in new tab]]
([TIME[2016-04-19 13:53:09 +09:00]] 版)
<https://bugzilla.mozilla.org/show_bug.cgi?id=1031264>

[20] [CITE@en[Mention `sessionStorage` copying in logic for creating auxiliary browsing contexts · Issue #2681 · whatwg/html]]
([TIME[2017-09-10 20:53:02 +09:00]])
<https://github.com/whatwg/html/issues/2681>

[21] [CITE@en[Mention sessionStorage copying in logic for creating a new browsing context by mystor · Pull Request #2832 · whatwg/html]]
([TIME[2017-09-10 20:53:11 +09:00]])
<https://github.com/whatwg/html/pull/2832>

[22] [CITE@en[Editorial: cleanup window.opener]]
([[annevk]]著, [TIME[2018-02-09 02:24:50 +09:00]])
<https://github.com/whatwg/html/commit/15317c7a58040af294510e7511c0512a19083ffb>

[23] [CITE@en[Editorial: cleanup window.opener by annevk · Pull Request #3448 · whatwg/html]]
([TIME[2018-02-11 18:27:15 +09:00]])
<https://github.com/whatwg/html/pull/3448>

[24] [CITE@en[rel="noreferrer" is not supported for <link> elements]]
([[jeisinger]]著, [TIME[2018-10-25 17:56:36 +09:00]])
<https://github.com/w3c/webappsec-referrer-policy/commit/58679acc9b1d0af68f9056ed5f9f214c9d2f99a9>

[25] [CITE@en[rel="noreferrer" is not supported for <link> elements by jeisinger · Pull Request #117 · w3c/webappsec-referrer-policy]]
([TIME[2018-11-05 20:01:00 +09:00]])
<https://github.com/w3c/webappsec-referrer-policy/pull/117>

[26] [CITE@en[Consider not setting browsing context name when noopener/noreferrer are used · Issue #4314 · whatwg/html]]
([TIME[2019-02-16 18:50:09 +09:00]])
<https://github.com/whatwg/html/issues/4314>

[27] [CITE@en[Support noreferrer for window.open()]]
([[annevk]]著, [TIME[2019-02-12 21:54:42 +09:00]])
<https://github.com/whatwg/html/commit/a9a7944f20ec9223c252578db3e8bf870bca5718>

[31] [CITE@en["Follows a hyperlink" should consult noreferrer directly · Issue #4111 · whatwg/html]]
([TIME[2020-09-19 17:48:09 +09:00]])
<https://github.com/whatwg/html/issues/4111>

[32] [CITE@en[Support "noreferrer" for window.open() by annevk · Pull Request #4331 · whatwg/html]]
([TIME[2020-09-19 17:54:39 +09:00]])
<https://github.com/whatwg/html/pull/4331>

[33] [CITE@en[Editorial: inline noreferrer processing model]]
([[annevk]]著, [TIME[2019-02-12 21:54:42 +09:00]])
<https://github.com/whatwg/html/commit/f47773d25a7b1a3a03c1047bbc4037d08639cf9b>

[34] [CITE@en[Support "noreferrer" for window.open() by annevk · Pull Request #4331 · whatwg/html]]
([TIME[2020-09-19 19:12:14 +09:00]])
<https://github.com/whatwg/html/pull/4331>

[35] [CITE@en[noopener window.open feature seems pretty broken as implemented in browsers · Issue #1902 · whatwg/html]]
([TIME[2021-07-02T10:08:29.000Z]])
<https://github.com/whatwg/html/issues/1902>

[36] [CITE@en[Remove noopener from tokenizedFeatures by annevk · Pull Request #3297 · whatwg/html]]
([TIME[2021-07-02T10:30:39.000Z]])
<https://github.com/whatwg/html/pull/3297>