* 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:
Charging down the Black Road of Hell in the Pork Chop Express, Egg, Pete and ol' Jack Burton are facing off against the mythical past of China. Demon thugs and the bulbous Seven-Faced Widow may stand in their way, but you know what ol' Jack Burton says at a time like this? 'Have ya paid your dues, Jack?' 'Yessir, the check is in the mail.'