* 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:
To reclaim his damaged soul, to redeem the mistakes of his past and to make a difference in a Gotham City that has been torn apart by the death of Batman, Azrael must make a decision: become a hero and die, serving in Heaven or reject the opportunity and live, damned to suffer in Hell.