* 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:
Continued from JSA SECRET FILES #1. Starman, Hourman, the new Star-Spangled Kid, Black Canary, and more rise to face a mysterious villain who has already killed a hero from the original JSA, and may kill at least one member of the new team to attain his ultimate goal!