* 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:
Crawling from their Crypts, their Vaults, their Mansions and Houses come twelve of the creepiest, kookiest, corniest horror hosts of print and screen, vying to win the first-ever reality competition based on scary story-telling! Meet The Mysterious Wanderer! Meet Mister Puzzles! Meet Meredeth McMoonwolf, the Spidery Old Hag, Magog and Agog, a half-dozen more eerie weirdos and their host Dyin' Secrest, and find out who will survive - BOO!