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Start Render Time
06-15-2010, 07:17 AM
Post: #6
RE: Start Render Time
I could be wrong, but my understanding is that the start render time is a fixed point in time that is measuring from the initial request - this means that if your server latency goes up by 1 second your start render time will go up by one second.

In other words, the request is made at T = 0, maybe the server finishes crunching at T = 0.6, the JS/CSS downloads finish at T = 1.5, and thus the start render time is listed at T = 1.5, or 1.5 seconds. I would imagine that the start render time you are seeing (1.485s) includes the TTFB.

Your question is valid though, if you are seeing a 500ms delay between the end of the HTML download and the start of the render that wasn't there before then that is a problem. Unfortunately without access to the site or to a waterfall chart from the original site it is difficult to do further troubleshooting. Usually this kind of delay shows up because of JavaScript, but you say you don't have any inline JS and the only external request is much farther down the page. I think the bottom line is that we need access to the code in order to troubleshoot further.
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Messages In This Thread
Start Render Time - jarrod1937 - 06-13-2010, 07:37 AM
RE: Start Render Time - pmeenan - 06-13-2010, 07:55 AM
RE: Start Render Time - jarrod1937 - 06-13-2010, 08:05 AM
RE: Start Render Time - jklein - 06-15-2010, 05:07 AM
RE: Start Render Time - jarrod1937 - 06-15-2010, 05:55 AM
RE: Start Render Time - jklein - 06-15-2010 07:17 AM
RE: Start Render Time - jarrod1937 - 06-15-2010, 07:37 AM
RE: Start Render Time - pmeenan - 06-15-2010, 07:40 AM
RE: Start Render Time - pmeenan - 06-15-2010, 07:43 AM
RE: Start Render Time - jarrod1937 - 06-15-2010, 07:52 AM
RE: Start Render Time - pmeenan - 06-15-2010, 07:57 AM
RE: Start Render Time - jarrod1937 - 06-15-2010, 08:32 AM
RE: Start Render Time - jklein - 06-16-2010, 11:59 PM
RE: Start Render Time - jarrod1937 - 06-17-2010, 11:00 AM
RE: Start Render Time - pmeenan - 06-17-2010, 11:55 AM
RE: Start Render Time - jarrod1937 - 06-17-2010, 12:40 PM
RE: Start Render Time - pmeenan - 06-18-2010, 10:38 PM
RE: Start Render Time - jarrod1937 - 06-20-2010, 12:15 AM
RE: Start Render Time - pmeenan - 06-20-2010, 07:46 AM
RE: Start Render Time - jarrod1937 - 06-20-2010, 10:13 AM
RE: Start Render Time - pmeenan - 06-20-2010, 10:32 AM
RE: Start Render Time - jarrod1937 - 06-20-2010, 11:06 AM
RE: Start Render Time - pmeenan - 06-20-2010, 11:08 AM
RE: Start Render Time - jarrod1937 - 06-20-2010, 11:58 AM
RE: Start Render Time - pmeenan - 06-20-2010, 12:05 PM
RE: Start Render Time - jarrod1937 - 06-20-2010, 12:39 PM
RE: Start Render Time - calumfodder - 07-14-2010, 11:42 PM
RE: Start Render Time - jarrod1937 - 07-15-2010, 12:15 AM
RE: Start Render Time - pmeenan - 06-21-2010, 02:47 AM
RE: Start Render Time - jarrod1937 - 06-23-2010, 01:02 AM
RE: Start Render Time - jarrod1937 - 06-22-2010, 07:29 AM
RE: Start Render Time - jarrod1937 - 06-22-2010, 07:40 AM
RE: Start Render Time - jarrod1937 - 06-22-2010, 09:28 AM
RE: Start Render Time - pmeenan - 06-22-2010, 11:52 AM
RE: Start Render Time - pmeenan - 06-23-2010, 01:10 AM
RE: Start Render Time - jarrod1937 - 06-23-2010, 01:35 AM
RE: Start Render Time - pmeenan - 06-23-2010, 03:56 AM
RE: Start Render Time - DJMorrisInc - 06-25-2010, 06:38 AM
RE: Start Render Time - jarrod1937 - 06-25-2010, 06:49 AM
RE: Start Render Time - DJMorrisInc - 06-25-2010, 07:15 AM
RE: Start Render Time - jarrod1937 - 06-25-2010, 07:27 AM
RE: Start Render Time - pmeenan - 06-25-2010, 08:27 AM
RE: Start Render Time - DJMorrisInc - 06-25-2010, 07:40 PM
RE: Start Render Time - jarrod1937 - 06-26-2010, 12:44 AM
RE: Start Render Time - DJMorrisInc - 06-26-2010, 12:50 AM
RE: Start Render Time - pmeenan - 06-26-2010, 02:45 AM
RE: Start Render Time - DJMorrisInc - 06-26-2010, 06:33 AM
RE: Start Render Time - green-watch.org - 06-25-2010, 02:43 PM
RE: Start Render Time - jarrod1937 - 06-26-2010, 12:55 AM
RE: Start Render Time - DJMorrisInc - 06-26-2010, 02:46 AM
RE: Start Render Time - pmeenan - 06-26-2010, 02:34 AM
RE: Start Render Time - pmeenan - 06-26-2010, 12:47 PM
RE: Start Render Time - green-watch.org - 07-14-2010, 08:59 PM
RE: Start Render Time - pmeenan - 07-14-2010, 10:20 PM
RE: Start Render Time - calumfodder - 07-15-2010, 04:35 AM

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