* 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:
Former MI-6 agent Michael Swann is in Russia, working against time to prevent the Soviets from gaining nuclear dominion over the planet. But what he doesn't know is that he may already be too late! John Byrne's latest creation concludes its initial storyline, "The Damocles Contract," here! Hopefully Swann survives to fight another day, but that remains to be seen