* 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:
Super-humans walk among us. Known only to a select few, these "Ultra-Sapiens" are a genetic super-race living in secret; walking weapons of mass destruction who must constantly be monitored and policed to ensure the safety of Planet Earth. When one of these super-humans goes rogue, upsetting the balance of world power, only one group can stand up to them in order to save us all: The Hunter-Killers.