* 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:
While Lizzie wanders through a Dickens novel in search of a past she thought she'd left behind her, Tom pursues his father through the streets of London and ends up in a maze made out of stories. Hopefully he'll realize this maze has a monster at its heart. "Dead Man's Knock" part 3.