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Waterfall and timeline data mismatch
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Waterfall and timeline data mismatch
12-12-2014, 10:05 PM
Post: #1
Waterfall and timeline data mismatch
I am trying to find the reason why some images are being loaded serially by Chrome, and found a mismatch between waterfall and timeline data.
This is the test: http://www.webpagetest.org/result/141203...53b9/#run2
Although in the waterfall the images are shown to be loaded serially, the numbers in the timeline suggest that the requests are actually sent at the same time, and it is the web servers who are delaying the responses.
To build the table below, I took the following numbers for the 5 images involved: start/end time (from waterfall) and send request, first response packet received, and finish loading event (from timeline).
Any guess on why waterfall and timeline data are so different?
   
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Waterfall and timeline data mismatch - jordibuj - 12-12-2014 10:05 PM

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