* 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:
Foghorn Leghorn knows all about clowning, and he's willing to help Egghead with his new project. Who needs that big book the boy's carrying around? Of course, when the big machine Egghead built starts churning out CLONES instead of clowns, who will help whom out of this sticky situation?!