* 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:
The Fantastic Four have formed a new team to guard the planet, and their wards in the Future Foundation, while they're on an interdimensional jouney: Scott Lang, the incredible shrinking Ant Man! Jen Walters, the original gamma-spawned She-Hulk! Medusa, queen of the Inhumans! And...Ms. Thing??! But how does the world respond when this new FF take to the streets and make their public debut?