* 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:
Let us tell you a story of two bank robbers named Bonnie and Clyde--and their transforming death car! When young Margo Simmons helps her estranged father investigate mysterious rumors in Texas, she finds herself caught up in jailbreaks, Tommy-guns, and nonstop action as she tracks down the legendary outlaws and comes face to face with the most vicious Transformer ever made!