* 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:
Marvel once again poses the question, "What If...?" What if Peter Parker had been completely consumed by his inner, bestial impulses and became more spider than man in "The Other?" What if the greatest threat in Avengers history had gone undetected in "Disassembled?" What if Wolverine, the world's deadliest killing machine, was never de-programmed in "Enemy of the State"? Professor X's secret squad of young mutants had survived its ill-fated attempt to rescue the original X-Men in "Deadly Genesis?" But what if Legion killed both Magneto and Xavier, leaving no leader to create any incarnation of X-Men to resist the "Age of Apocalypse?"