[1] [CITE@en[User Timing]]
( ([TIME[2010-10-06 23:52:59 +09:00]] 版))
<http://dvcs.w3.org/hg/webperf/raw-file/default/specs/UserTiming/Overview.html>

[2] [CITE@en[User Timing]]
( ([TIME[2012-05-09 02:59:15 +09:00]] 版))
<http://www.w3.org/TR/2012/WD-user-timing-20120508/>