* 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:
"Ending Battle" part 6, continued from SUPERMAN (1987-2006) #187. On the trail of the man responsible for the attacks on his friends and family, Superman is attacked by an armada of new villains. Can the Man of Steel stand up to the sheer number of adversaries against him? Continued in SUPERMAN: MAN OF STEEL #131.