* 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:
Collects Dark Reign: The List - Avengers, Secret Warriors, Daredevil, Amazing Spider-Man, Hulk, X-Men, Punisher, Wolverine. Norman Osborn plans on making a list, checking it twice, and delivering an unhealthy amount of Dark Reign madness directly into the lives of super heroes both naughty and nice in Dark Reign: The List, a series of eight interconnected stories showcasing Osborn's reign of terror across the Marvel Universe.