* 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:
'ANGELS NEVER LIE' FDA (Federal Demon Association) Advisory. Contents contain: one cult church where incantations are encoded into the playlist; one flesh-dwelling, food-obsessed demon; one seer capable of perceiving the spirit world but blinded to this one; one missing woman; one murder; one angel with an agenda of his own; and one rendezvous between supernatural investigator Joe Fitzgerald and the woman he loves, now deceased, in what may or may not be heaven. Warning: do not operate heavy equipment while reading.