* 仕様書

[REFS[
- [40] [CITE@en[Server Timing]], [TIME[2021-06-30T18:47:41.000Z]], [TIME[2022-03-10T02:00:18.094Z]] <https://w3c.github.io/server-timing/>
]REFS]

* 構文

[42] 
[CODE[desc]] の構文は他の[[引数][引数 (HTTP)]]と同じく [CODE[token]]
か [CODE[quoted-string]] とされています。
ところがどちらも[[非ASCII文字]]は使えません。

[43] 
[[Chrome]] で [[UTF-8]] 値を指定してみても、 [[ISO-8859-1]] と解釈されて[[文字化け]]するだけです。
[[HTTP]] でよくある[[欧米圏優遇措置]]です。

* 処理

[41] 
[[combine]] も参照。

* 歴史

[10] [CITE@en[Resource Timing]]
( ([TIME[2014-08-23 15:05:01 +09:00]] 版))
<https://w3c.github.io/web-performance/specs/ResourceTiming/Overview.html#timing-allow-origin>

[11] [CITE[Issue 368966 - chromium - Resource Timing: Timing-Allow-Origin header check is incorrect for cache-validating responses - An open-source project to help move the web forward. - Google Project Hosting]]
( ([TIME[2014-09-01 13:03:45 +09:00]] 版))
<https://code.google.com/p/chromium/issues/detail?id=368966>

[12] [CITE@en[Change TAO to support comma separated field values]]
([[igrigorik]]著, [TIME[2016-09-30 05:20:32 +09:00]])
<https://github.com/w3c/resource-timing/commit/ef421191baefddab9562c29dcd5194e5c68b07a5>


[1] [CITE@en[Server Timing]]
([TIME[2015-02-18 04:35:34 +09:00]] 版)
<http://w3c.github.io/server-timing/>

[2] [CITE@en[Server Timing]]
( ([TIME[2015-02-14 06:14:01 +09:00]] 版))
<http://www.w3.org/TR/2015/WD-server-timing-20150217/>

[3] [CITE@en[Server Timing]]
([TIME[2015-04-29 00:44:22 +09:00]] 版)
<http://www.w3.org/TR/2015/WD-server-timing-20150428/>

[4] [CITE@en[Server Timing]]
([TIME[2015-07-17 20:49:16 +09:00]] 版)
<http://www.w3.org/TR/2015/WD-server-timing-20150717/>

[5] [CITE@en[w3c/server-timing]]
([TIME[2015-08-28 22:55:49 +09:00]] 版)
<https://github.com/w3c/server-timing>

[6] [CITE@en[Server Timing]]
([TIME[2015-07-18 02:12:22 +09:00]] 版)
<https://w3c.github.io/server-timing/>

[7] [CITE@en[Server Timing]]
( ([TIME[2016-05-24 06:06:10 +09:00]]))
<https://www.w3.org/TR/2016/NOTE-server-timing-20160523/>

[8] [CITE@en[Re: '''['''Server Timing''']''' Proposal how a user-agent can request that a  server adds the server-timing header response field]]
( ([[Ilya Grigorik]]著, [TIME[2016-06-17 06:50:58 +09:00]]))
<https://lists.w3.org/Archives/Public/public-web-perf/2016Jun/0006.html>

[9] [CITE@en[Moved to WICG]]
([[plehegar]]著, [TIME[2016-07-20 22:41:14 +09:00]])
<https://github.com/w3c/server-timing/commit/9a69713135464d95606c6cb3981c9303064d4cc9>

[13] [CITE@en[Changed spec headers to match move from WICG to webperf]]
([[plehegar]]著, [TIME[2017-03-25 03:21:46 +09:00]])
<https://github.com/w3c/server-timing/commit/7f97a2bf259af7a15e737daf724f5fb186de0859>

[14] [CITE@en[This is no longer a wicg proposal]]
([[plehegar]]著, [TIME[2017-03-25 03:40:07 +09:00]])
<https://github.com/w3c/server-timing/commit/0bcab032f6c8c137d1ea89f98541ecfb998b4d8b>

[15] [CITE@en[Adjust license and contributors]]
([[plehegar]]著, [TIME[2017-03-25 05:29:08 +09:00]])
<https://github.com/w3c/server-timing/commit/de3fb443e16a6f3cce29942f5c1c3b43eb58a9ec>

[16] [CITE@en[Align with w3c/hr-time#47]]
([[plehegar]]著, [TIME[2017-05-05 03:41:57 +09:00]])
<https://github.com/w3c/server-timing/commit/480c560a0f5d100d1499271387742757c58908df>

[17] [CITE@en[Call for Exclusions: Server Timing]]
([[Xueyuan]]著, [TIME[2017-07-13 23:57:07 +09:00]])
<https://lists.w3.org/Archives/Public/public-web-perf/2017Jul/0005.html>

[18] [CITE@en[Server Timing]]
([TIME[2017-07-26 06:29:17 +09:00]])
<https://www.w3.org/TR/2017/WD-server-timing-20170725/>

[19] [CITE@en[Server Timing]]
([TIME[2017-07-26 12:46:47 +09:00]])
<https://www.w3.org/TR/2017/WD-server-timing-20170726/>

[20] [CITE@en[Server Timing]]
([TIME[2017-08-18 23:56:12 +09:00]])
<https://www.w3.org/TR/2017/WD-server-timing-20170818/>

[21] [CITE@en[Server Timing]]
([TIME[2017-08-25 06:15:04 +09:00]])
<https://www.w3.org/TR/2017/WD-server-timing-20170824/>

[22] [CITE@en[address w3ctag review feedback (#31)]]
([[cvazac]]著, [TIME[2017-09-02 10:22:54 +09:00]])
<https://github.com/w3c/server-timing/commit/7e195cdb533ffb23307278163a9c50b279e71868>

[23] [CITE@en[Server Timing]]
([TIME[2017-09-02 10:26:44 +09:00]])
<https://www.w3.org/TR/2017/WD-server-timing-20170902/>

[24] [CITE@en[Server Timing]]
([TIME[2017-09-21 06:34:37 +09:00]])
<https://www.w3.org/TR/2017/WD-server-timing-20170920/>

[25] [CITE@en[Server Timing]]
([TIME[2017-10-18 15:21:57 +09:00]])
<https://www.w3.org/TR/2017/WD-server-timing-20171018/>

[26] [CITE@en[update ABNF and header examples (#37)]]
([[cvazac]]著, [TIME[2017-11-03 06:51:19 +09:00]])
<https://github.com/w3c/server-timing/commit/846745dcf4a2520086e1accfa786f713ee27876a>

[27] [CITE@en[update ABNF and header examples by cvazac · Pull Request #37 · w3c/server-timing]]
([TIME[2017-11-03 14:22:11 +09:00]])
<https://github.com/w3c/server-timing/pull/37>

[28] [CITE@en[ABNF for metric-value · Issue #12 · w3c/server-timing]]
([TIME[2017-11-03 14:27:32 +09:00]])
<https://github.com/w3c/server-timing/issues/12>

[29] [CITE@en[Review request for Server-Timing · Issue #188 · w3ctag/design-reviews]]
([TIME[2017-11-03 14:29:37 +09:00]])
<https://github.com/w3ctag/design-reviews/issues/188>

[30] [CITE@en[Server Timing]]
([TIME[2017-11-03 06:52:27 +09:00]])
<https://www.w3.org/TR/2017/WD-server-timing-20171102/>

[31] [CITE@en[Server Timing]]
([TIME[2017-12-22 04:14:25 +09:00]])
<https://www.w3.org/TR/2017/WD-server-timing-20171221/>

[32] [CITE@en[clarify processing after incomplete or invalid param]]
([[cvazac]]著, [TIME[2017-12-30 01:18:26 +09:00]])
<https://github.com/w3c/server-timing/commit/00b4406571ba3c36402c8e7775348b40997458cd>

[33] [CITE@en[Server Timing]]
([TIME[2017-12-30 02:53:15 +09:00]])
<https://www.w3.org/TR/2017/WD-server-timing-20171229/>

[34] [CITE@en[clarify processing after incomplete or invalid param]]
([[cvazac]]著, [TIME[2017-12-30 01:18:26 +09:00]])
<https://github.com/w3c/server-timing/commit/00b4406571ba3c36402c8e7775348b40997458cd>

[35] [CITE@en[clarify processing after incomplete or invalid param by cvazac · Pull Request #49 · w3c/server-timing]]
([TIME[2018-05-05 11:53:58 +09:00]])
<https://github.com/w3c/server-timing/pull/49>

[36] [CITE@en[Server Timing]]
([TIME[2017-12-30 02:53:15 +09:00]])
<https://www.w3.org/TR/2017/WD-server-timing-20171229/>

[37] [CITE@en[Server Timing]]
([TIME[2018-07-17 17:36:11 +09:00]])
<https://www.w3.org/TR/2018/WD-server-timing-20180717/>

[38] [CITE@en[Add TAO check]]
([[npm1]], [TIME[2019-12-04 19:41:07 +09:00]], [TIME[2022-01-18T11:47:27.000Z]])
<https://github.com/whatwg/fetch/commit/9dd531988b04f4fadd43022a0613a90b42ce46d4>

[39] [CITE@en[Add TAO check by npm1 · Pull Request #955 · whatwg/fetch]]
([TIME[2022-01-18T11:49:37.000Z]])
<https://github.com/whatwg/fetch/pull/955>