* 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:
DC's flagship title re-launches for the first time ever, featuring Batman adventures from the acclaimed Tony Daniel (BATMAN R.I.P)! Bruce Wayne is back under the cape and cowl, ready to protect Gotham City from its deadly array of villains--from the Joker to Mr. Freeze to brand new masked murderers!