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Re:Ad Blocking Extensions Tested for Performance by baoyu on Thursday August 27, 2015 @10:05AM (#10129432)
You don’t need perfect measurements to make decisions.

Comparing times between browser-defined events in the same browser opening the same site on the same day is about the most apples-to-apples as you can get.

Re:Ad Blocking Extensions Tested for Performance by kbenson on Thursday August 27, 2015 @07:19PM (#10132756)
No, but you need to know the approximate error thresholds on your measurements to make useful decisions.