* 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:
Between finding out his new girlfriend, Blaze Mancini, is the Democratic mayoral candidate's daughter and that his mysterious benefactor, the Colonel, wants him to keep the leader of the Three Fists triad alive, Cross's life has gotten quite a bit more complicated lately. And that was before stockbrokers started spontaneously combusting on the floor of the Exchange and supermodels turned assassin at the Spring fashion show!