* 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:
Earth's Mightiest Heroes vs. Marvel's Most Wanted, and more! The crisis of the Eighth Day pits the Avengers against the unstoppable force that is the Juggernaut, while Triathlon's first day as an Avenger takes the team south of the border and back in time thousands of years! And how does the mystery of Madame Masque match the curse of Count Nefaria?