* 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:
Years ago, when the Fantastic Four were captured by a mysterious Skrull temptress, the "New FF" stepped in to take their place! Now, for the first time, see what happens after their first adventure...as the two teams get shaken up and pitted against each other!