* 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:
A DC ONE MILLION tie-in! Barricaded in the JLA Watchtower, the increasingly paranoid Steel, Orion, Plastic Man and the remaining Leaguers frantically try to keep the futuristic Justice Legion A from entering their stronghold. It's an epic battle as the team's newest members pit their might against the nearly omnipotent Superman and Wonder Woman from beyond tomorrow!