* 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:
Hitman Fred Cutler is sent to Mexico by his boss to retrieve a package. The package never arrives, but hired killers do. When Fred comes to, he discovers a bomb has been sewn into his chest. And if he wants to live, he's going to have to kill his boss, L.A.'s most notorious gangster, Rafi Vega.