* 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:
Martians live forever - everyone knows that. So what was Dejah Thoris doing all those hundreds of years before John Carter arrived? Four hundred years before the events of Warlord of Mars took place, Dejah's nation of Helium was divided into two warring city-states. An unscrupulous overlord from afar encouraged that rivalry to his own advantage, until he discovered a terrible secret from Mars' ancient past beneath Dejah Thoris' capital. A secret to kill for!