* 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:
Meet Eric and Woody, two mischievous friends trying to sneak into the girls locker room. Years later, they are the (kinda) heroic duo Quantum and Woody and they are falling out of an airplane. Too bad that there's only one parachute to go around?