17:07:21 RRSAgent has joined #webperf 17:07:21 logging to http://www.w3.org/2011/02/16-webperf-irc 17:07:31 agenda+ i. Discuss feedback on the latest Navigation Timing 17:07:40 agenda+ Review proposed test-cases 17:08:02 agenda+ Web Perf SIG/Charter: Visibility API 17:08:14 agenda+ Discuss User Timings, Marks and Measures 17:08:23 agenda+ Updates on Resource Timing 17:08:31 agenda+ Any other business 17:08:52 move to agenda 6 17:09:01 present+ ArvindJain 17:09:07 present+ JasonWeber 17:09:11 present+ NicJansma 17:09:15 present+ Zhiheng 17:09:18 present+ TonyG 17:09:20 present+ AndersonQuach 17:09:24 scribe: AndersonQuach 17:09:30 meeting: Web Performance Working Group 17:09:38 topic:Discuss feedback on the latest Navigation Timing" taken up 17:11:17 Zhiheng: There's ambiguity in the spec with the current definition of same-origin wrt to navigationStart and fetchStart. 17:11:37 http://lists.w3.org/Archives/Public/public-web-perf/2010Oct/0068.html 17:18:42 present+ JamesSimonsen 17:19:17 Zhiheng: Want clarification on what to do with unload when the previous navigation is of a different from the current navigation. 17:20:48 TonyG: Are you making this more strict or less strict? 17:20:49 page A ---> Page B ---> Page A 17:29:24 JamesSimonsen: The definition in 4.2 is clearer in terms of the normative behavior of unload. 17:30:13 + +1.415.829.aacc 17:35:47 NicJansma: Our concerns is exposing the unload events were correlated with the timestamp with the middle redirection in user-agents. I don't know if that's the case we can test this out with a network analyzer and in browsers like IE. 17:37:56 NicJansma: Need to understand if unload events can be correlated to any time stamp that is zeroed out like redirects. 17:41:42 NicJansma: We'll get back to the mailing list as to the behavior of unload later today. 17:42:01 move to agenda 8 17:42:09 topic: Web Perf SIG/Charter: Visibility API 17:42:29 ArvindJain: I want to get a sense for the Visibility API for the Web Performance Working Group. 17:42:49 JasonWeber: We're supportive of adding this API to the Web Perf charter to standardize this. 17:43:11 JasonWeber: From our reserach, this is a larger problem and domain beyond Web Perf. 17:44:06 JasonWeber: We're seeing this related to CPU consumption of foreground and background tabs, as it relates to painting, animation and thread/application activity to conserve power. 17:44:13 ArvindJain: Sounds like a great idea. 17:44:49 JasonWeber: We should discuss what we want to include in that charter expansion and start the re-chartering. 17:44:56 ArvindJain: Makes sense, let's do that. 17:45:21 ArvindJain: We'll let folks to respond on the mailing thread and go from there. 17:45:32 topic: Web Perf SIG/Charter: Visibility API 17:45:46 ArvindJain: Can you invite other user-agents to discuss this area? 17:45:51 JasonWeber: I'll reach out. 17:46:09 JasonWeber: Do you want to schedule separate time to discuss the re-charter? 17:46:32 ArvindJain: I'm okay with extending the call from 9-10 for Nav Timing and 10-11 for the re-chartering. 17:47:01 JasonWeber: Let's do it the other way around, 9-10 for the re-chartering and 10-11 for Nav Timing. 17:48:06 TonyG: Do we want to cover efficient JavaScript animations like mozRequestAnimationFrame? 17:48:12 JasonWeber: Sounds good. 17:49:21 ArvindJain: Sounds good. 17:49:44 AndersonQuach: I'd love to work towards getting traction on approval of the test cases and go over the feedback on user timing. 17:50:45 NicJansma: We had User Timings prototyped in the Beta and early Platform Previews of IE9. We did see the values of having measures. 17:52:23 - +1.650.214.aabb 17:52:25 - +1.650.253.aaaa 17:52:26 -[Microsoft] 17:52:27 - +1.415.829.aacc 17:52:30 -??P20 17:52:31 RWC_web-per(WPWG)12:00PM has ended 17:52:32 Attendees were +1.650.253.aaaa, [Microsoft], +1.650.214.aabb, +1.415.829.aacc 20:38:17 RRSAgent has joined #webperf 20:38:17 logging to http://www.w3.org/2011/02/16-webperf-irc 20:38:28 rrsagent, set logs world-visible 20:38:34 topic: Summary 20:38:38 i. Clarification on what to do with the unload timestamps when a non-same origin redirection is encountered. 20:38:41 ii. The WG will review the proposed tests for Navigation Timing. 20:38:46 iii. On 2/15/2011 we'll expand the meeting to include a 1hr discussion on re-chartering to include APIs to help web-apps conserve battery and promote efficient painting. Followed by 10-11 to continue discussions on Navigation Timing and moving towards CR. 20:38:53 vi. On 2/15/2011 10-11A PST we'll continue discussions on User Timing and Resource Timing. 20:39:00 rrsagent, generate minutes 20:39:00 I have made the request to generate http://www.w3.org/2011/02/16-webperf-minutes.html AndersonQuach 20:40:30 Chair: JasonWeber 20:40:33 rrsagent, generate minutes 20:40:33 I have made the request to generate http://www.w3.org/2011/02/16-webperf-minutes.html AndersonQuach 20:43:27 zakim, please part 20:43:27 Zakim has left #webperf 20:43:31 rrsagent, please aprt 20:43:31 I'm logging. I don't understand 'please aprt', AndersonQuach. Try /msg RRSAgent help 20:43:33 rrsagent, please part 20:43:33 I see no action items