* 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:
Grown in a lab from the finest genetic material, fifteen-year-old Luna Collins has been trained all her life by a covert government agency as the ultimate espionage agent. But everything she believes has turned out to be a lie. Now, working for a rogue agency, she has turned her back on the past, with a new mission that pits her against former allies. It can only end one way: a fight to the finish against those she loves.