* 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:
"Chapter the First" part 1! In a medieval kingdom beset by intrigue and foul sorcery, a fair sylph with magic of her own is thrown into the world of war and men--where she encounters a dark stranger who knows not only her past, but her most intimate future as well.