* 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:
Ion is the chosen one of the Green Lantern Corps, whose coming was foretold as a prophecy in the Book of Oa. But now that Kyle Rayner has been possessed by Parallax, can he ever bear the mantle of Ion again, as he did in the past? Or will it pass to a completely new bearer?