* 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:
"Brainiac" part 4 of 5! Krypton's greatest adversary has set his sights on Superman and his homeworld as his endless quest for absolute knowledge continues. But the horrors within Brainiac's ship are nothing compared to the alien behind it. Superman's world is about to change!