Ah, yeah - figuring out what they have in common is the trick :) Good APMs and trace tools will let you zero in on traces by characteristics - so if you notice

Ah, yeah - figuring out what they have in common is the trick :) Good APMs and trace tools will let you zero in on traces by characteristics - so if you notice there’s a bump in requests which have a 2 second load time, you can select them all and analyze how they are distributed - whether they are mostly one browser, one location, or one user even. But you need a solid strategy for tagging and logging traces.