* 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:
Superman's JLA colleagues guest-star in an action-packed issue! Now on call full-time, the Man of Steel liberates an entire country (and that's just on page one!), faces Captains Cold and Boomerang, evades Lexcom and the DEO, has a chat with the Metropolis Special Crimes Unit…and that's just the beginning! From receiving some crisis intervention from the JLA to inspiring a group that will someday be known as the Supermen of America, the big red "S" has never been busier!