* 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:
Ambassador Spock has returned to Earth--but why?! The answers may lie in another previously untold tale from Spock's life, starring Lt. Saavik, of WRATH OF KHAN fame! The secret behind Spock's journey is revealed here! From the team that brought you Star Trek: Mirror Images and the artist of Star Trek: Countdown!