* 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:
Award-winning writer Neil Gaiman tells a mysterious tale that begins when all the children of an English village mysteriously vanish. Featuring Suzy, the child Black Orchid; Animal Man's daughter, Maxine; Dorothy Spinner of the Doom Patrol; Tim Hunter, the young mage; the Dead Boy Detectives and more!