* 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 conclusion of a 2-part voyage through the Joker's insanity as the Clown Prince of Crime must somehow kill bizarre, distorted visions of Batman and himself! Then, Gunfire's adventure concludes when Dominion breaks into his experimental weapons vault! Finally, Blue Beetle begins an adventure in what may be the safest town in the country...provided you play by the local rules!