* 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:
Who are the Vassals of the Morningstar? What do they want with Skinner Sweet? Things go wild in Sin City as Chief Cash McCogan learns that the things that go bump in the night might be closer to home than he ever expected. "Devil in the Sand" part 3.