* 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:
Before the FBI, before the X-Files, they were just two teenagers in search of the truth. On Martha's Vineyard, a young Fox Mulder investigates something strange happening on the island, while in San Diego, 13-year-old Dana Scully looks into the shocking murder of her teacher. Two kids, two mysteries, one conspiracy that threatens the future of humanity.