* 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:
From the return of the Black Mask to the destruction of Arkham to general mayhem, Gotham City is crumbling around Nightwing, Robin and the rest of the Bat Family. And when you add a deadly Jason Todd masquerading as a gun-toting Batman to the mix, things have definitely spiraled out of control! The battle for the cowl comes to an end! Who comes out victorious as the new Batman?