* 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:
In part three of one of Superman's strangest adventures, the planet Krypton faces its catastrophic end, but scientist Jor-El doesn't send his infant son to Earth! Instead, it's the Hawkworld known as Thanagar that becomes home to the Last Son of Krypton, who earns his wings in a swashbuckling space saga. But what's going on here?