* 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:
"The Space Between" part 1! Who is Fig Keele really? Who and what are the Conception? Where is the Space between, and why is this all very bad news for Harry Bailey? Sex, suspicions, and treachery erupt, and explanations are in order at the House of Mystery.