19:00:22 RRSAgent has joined #webperf 19:00:22 logging to http://www.w3.org/2015/09/09-webperf-irc 19:00:24 RRSAgent, make logs world 19:00:24 Zakim has joined #webperf 19:00:26 Zakim, this will be web-per 19:00:26 I do not see a conference matching that name scheduled within the next hour, trackbot 19:00:27 Meeting: Web Performance Working Group Teleconference 19:00:27 Date: 09 September 2015 19:00:32 present+ plh 19:00:34 present+ yoav 19:00:39 present+ ilya 19:00:52 present+ todd 19:00:56 present+ brandon 19:09:11 Topic: requestAnimationFrame 19:09:53 Todd: didn't review the HTML spec to see if they have everything there but not a blocker 19:10:16 Resolved: Published a Working Group Notes pointing to the HTML spec for RAF 19:11:10 Topic: Obsoleted EDs 19:11:29 plh: took care of that a week ago. should be fine now 19:11:36 .... (if not, scream) 19:12:30 Topic: requestIdleCallback 19:12:36 https://github.com/w3c/requestidlecallback/pull/16 19:12:38 plh: request for FPWD sent 19:12:57 Ilya: where should the test PR go? 19:13:36 plh: indeed, should go to WPT 19:16:16 https://github.com/w3c/resource-timing/issues/17 19:16:22 Topic: Resource Timing 19:17:31 Todd: I'll look into RT/#17 19:19:59 https://github.com/w3c/resource-timing/issues/12 19:20:40 Todd: no pushback from our security folks 19:21:06 Ilya: meaning exposing the timestamp isn't an issue? 19:22:20 Todd: with NEL, would we want this to be exposed? 19:22:39 Ilya: Resource fetches should be reported to the page 19:22:58 ... while error logging sits on top of that, ie ifr the fetch fails, what's to know about it 19:28:00 https://github.com/w3c/resource-timing/issues/21 19:28:31 Ilya: the web platform has a lot of transparent fetches (redirects, etc.) 19:28:40 ... but would be good to surface 19:28:53 ... today, you can infer than a redirect happened 19:29:09 ... if we can surface the number of redirects, is that a bad thing? 19:29:29 ... for perf, we don't have visbility into this 19:29:33 ... despite the impact 19:30:02 ... we need to clarify fetch first before we can define the behavior 19:30:10 Yoav: the preflight case would be safe to expose 19:30:33 .... while redirects are more risky (don't have a specific case in mind) 19:30:49 Ilya: we want to simplify and improve our reporting in RT 19:31:04 ... if we can bundle them, it would make our model much easier 19:31:24 ... the key in security issue is exposing data from the URL 19:31:36 s/... the key/Todd: the key/ 19:31:52 ... if the data wasn't exposed previously, that would be the risk 19:32:19 Ilya: we could choose not to reveal the URL, only the fact that a fetch happened 19:32:36 ... at least, you'll get your waterfall correct 19:32:45 Todd: we probably need to kick the fetch thread 19:32:51 Ilya: I'll follow 19:34:16 Topic: Navigation Timing 19:34:35 Todd: I was looking into this and didn't find the case where we would have multiple documents 19:38:57 https://github.com/w3c/navigation-timing/issues/1 19:48:25 TAO for Nav timing-- https://github.com/w3c/navigation-timing/issues/20 19:52:19 (summary: assign the issues to plh and get him to do the navigation-timing rewrite :) 19:52:28 https://github.com/w3c/page-visibility/issues/8 19:56:32 http://w3c.github.io/page-visibility/#hidden-attribute 19:57:14 Here's the relevant Blink work: https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/_SRHebxivJs 19:58:15 http://www.w3.org/2014/10/pv2/iframe-hidden.html 20:06:21 Topic: Page Visibility 20:06:22 https://github.com/w3c/page-visibility/issues/12 20:06:31 Todd: I'll create an issue to see if we can remove hidden 20:07:24 http://microformats.org/wiki/rel-prerender 20:08:13 Ilya: we define the relationship in the wiki 20:08:23 ... we'll put more details in resource hints 20:08:38 ... but we never talk about prerender mode 20:08:43 ... we never define it 20:09:41 plh: I'll open an issue on resource hints to define prerender mode 20:11:44 Ilya: I'll take care of it 20:12:35 [adjourned] 20:12:37 rrsagent, generate minutes 20:12:37 I have made the request to generate http://www.w3.org/2015/09/09-webperf-minutes.html plh 21:09:31 yoav has joined #webperf 21:17:47 Zakim has left #webperf 21:26:31 yoav has joined #webperf 22:48:11 tobie_ has joined #webperf 23:03:33 igrigorik has joined #webperf