* 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:
Wormwood isn't dead! Well, anymore than usual, that is. Thanks to a long-lost chum- apparently an Elvis impersonator-with an illegal dimension-shopping device, all and sundry manage to escape the dark universe but are now lost in the Infinities, randomly jumping dimensions without a map. Luckily for them, the indigenous population seems intent on helping them get back home-which can't happen too soon, with Earth still facing destruction from the remainder of the squidly things that came through uninvited... Courtesy of Spike-TV Scream Award-nominee Ben Templesmith.