- From: Tony Gentilcore <tonyg@google.com>
- Date: Wed, 29 Feb 2012 11:17:54 +0000
- To: Sigbjørn Vik <sigbjorn@opera.com>
- Cc: public-web-perf@w3.org
> "the number of milliseconds from the start of the navigation of the root > document" > Is the "start of the navigation" well enough defined? Should we link it to > one of the other performance specs to tie it down absolutely? > This also allows a cross-origin iframe to tell how long the parent has been > alive, which I believe is not possible now. This is a slight privacy leak, > which can easily be avoided. For instance remove "root" from the statement, > or change it to "the topmost same-origin document", with a suitable > definition of same-origin. I believe the second is better, it is useful for > same-origin documents to have the same timestamps. For cross-origin > documents this should normally not be required. This should also be recorded > in the privacy section. +1 Actually, I'd expect this to be relative to https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/NavigationTiming/Overview.html#nt-navigation-start , which is unique for every document -- even same origin. -Tony
Received on Wednesday, 29 February 2012 11:18:57 UTC