* 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:
Girl. Genius. Hero. Unstoppable. Nadia spent the entire first half of her life a captive of The Red Room, but now this teenage super-scientist is on her own for the first time, and she's ready to spread her wings! Hank Pym's daughter has a lot of time to make up for and she's determined to change the world. You know, if she can get her U.S. citizenship first. Guest-starring Ms. Marvel and Mockingbird!