* 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:
1966: With Nick Fury missing, and presumed dead, global espionage agency S.H.I.E.L.D. sends secret agent Ran Shen to collect two Nazi scientists with the key to defining who wins the Cold War. But the Americans are not the only ones who want the high value scientists.