* 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:
In which we meet Clone Number 5 - a legal genius who was undercooked during the cloning process and came out half-baked. In which Trevor and the gang at the Precinct run afoul of the dreaded Scarlet Empire. In which our trusty heroes go for a "round of golf" and decide instead to undertake a naked assault on an alien Embassy. Because, you know… Tuesday.