* 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 explosive Elseworlds tale reaches its action-filled conclusion! The President is dead--assassinated by a member of the Justice League! Meanwhile, Catwoman helps Batman put aside his grief and focus on helping the rest of the League as they attempt to rescue the world's imprisoned metahumans in an all-out final stand!