* 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 slam-bang finale to the miniseries by Dini & Timm, guest-starring Batman. Poison Ivy and Harley Quinn slink back into town with the hard-won Zombie Root, only to blow their own cover as they discover that Hollywood's trying to make a bundle off of their infamy. And when Batman catches up to them, this movie is really gonna blow its budget.