* 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:
The Wild Hunt begins! Malekith the Accursed continues his rampage across the Nine Realms of Asgard, leaving Thor to find new allies in his chase against dark magic. But who are these new allies? A gun-toting Light Elf! A Mountain Giant! A dwarf who is fond of explosives! And a temperamental troll!