* 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:
As Darkseid wages a war of evil in the far future of FINAL CRISIS, the Legion of Super-Heroes and the Man of Steel contend with colliding timelines and the villainous Time Trapper! Geoff Johns (GREEN LANTERN) teams with George Perez (AVENGERS, JUSTICE LEAGUE OF AMERICA) for a legendary Legion tale!