* 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:
Undercover agent Holden Carver's job has gone from ugly to catastrophic, and he wants out...now! But the only person who knows he's really on the side of the angels is in a coma; to the rest of the world he's the ultimate traitor! Can he convince anyone that he's one of the good guys?