* 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:
He's the Fastest Man Alive, but he's not infallible. How does The Flash deal with the sheer agony of being unable to rescue two children from a fire? Will he hide behind an obsessive, over-protective mania or run away from the ghosts of those lost? "The Pain of the Gods" part 2.