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Tuning AFT parameters
08-25-2011, 07:00 AM
Post: #1
Tuning AFT parameters
I'm playing around with the AFT measurement without much success. I am unable to get it produce any values. I've experimented with different pixel counts - going from 5 - 500. I've also tried cutoff times up to 60 seconds.

Here is an example test result:
http://www.webpagetest.org/result/110824_JF_1DFJ0/

All help appreciated
Shanti
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08-26-2011, 10:24 PM
Post: #2
RE: Tuning AFT parameters
If you go to the screen shot page there is a diagnostic image for the AFT measurement: http://www.webpagetest.org/result/110824...reen_shot/ that shows how the various pixels on the page were tagged.

The "late static" pixels are the ones that prevent the AFT algorithm from being confident about a result.
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