* Client-Side Metrics Include
* Wiki: https://tiny.amazon.com/cpso0wg6
* Needs to be included at the top of pages because it tracks latency--
* ue_t0 needs to be as close to body load as possible.
* - ue.tag maps to URLType dimension of OnlineQueryLog in PMET. Because we cannot add
* custome data to other dimensions in PMET through CSM, we are replicating it thrice to
* cover each store, page type, and the intersections of the two.
* - Whitelists are listed in the usage guide:
"Who knew that one of comics' best letterers was also a kickass cartoonist? This book perfectly captures one of the greatest adventures a young American can live through, moving from a small town to the capital of the whole damn world. BUY IT!"
--Brian K. Vaughan
Eisner Award-winning writer of Ex Machina, Y: The Last Man and Saga.