* 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 rumors are true, the facts are unthinkable. The flesh-eating forces of Hitler's desperate Third Reich are unleashed against advancing Allied armies. Savage hordes of undead Nazi soldiers storm across Europe, devouring the living in an orgy of blood. Hell has opened, and the dead have risen. If the Nazis cannot rule the world, they will eat it alive!