- From: Jonas Sicking <jonas@sicking.cc>
- Date: Tue, 9 Nov 2010 23:26:52 -0800
- To: Zhiheng Wang <zhihengw@google.com>
- Cc: public-web-perf <public-web-perf@w3.org>
On Tue, Nov 9, 2010 at 10:35 PM, Zhiheng Wang <zhihengw@google.com> wrote: > > > On Tue, Nov 9, 2010 at 10:11 PM, Jonas Sicking <jonas@sicking.cc> wrote: >> >> On Tue, Nov 9, 2010 at 9:47 PM, Zhiheng Wang <zhihengw@google.com> wrote: >> > Jonas brought up a couple questions about the current draft and we >> > decide to >> > have them discussed here. >> > - "One thing that is a bit unclear to me is the navigationStart >> > attribute. In one of the two figures it is indicated to be available >> > on same-origin only navigation. But in the other figure, and in the >> > description of the attribute itself, it seems like it's available on >> > cross-origin navigation too." >> > The first figure doesn't include redirect, in which case >> > navigationStart >> > is available all the time regardless the origins. Meanwhile, >> > unloadEventStart >> > and unloadEventEnd only reveal under the same origin. (They should have >> > been underlined in the first figure. I will fix it in the next update.) >> >> So what is the difference between navigationStart and fetchStart for >> requests without redirects? Is it just the delay in the browsers >> network stack due to for example other in-progress requests? > > Something like that. You are right that the difference is minor at this > time. > It does exist though and no telling how that changes over time. So the idea > is to getting to the user action as close as possible. Cool. >> > The recent discussion on SOP has been very educating. :-) >> >> I wish it was simpler :( >> >> > - "Also, an issue that isn't related to privacy. This introduces a new >> > global attribute called 'performance', right? This seems somewhat >> > scary as it is quite a generic name, and will break any web pages that >> > uses a global variable with that name." >> > hmm, any other name to suggest? >> >> I'm trying to stay away from naming discussions (for the most part). >> >> One solution would be to stick it on the document object. Another to >> come up with a more exotic name though I have to admit any good >> suggestions escape me at the moment. > > Sounds like another topic for tomorrow's conf call. Care to join us? Sorry, don't think I'll have time to make that :( / Jonas
Received on Wednesday, 10 November 2010 07:27:48 UTC