* 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:
Betty & Veronica in 'Buy the Book.' Betty is taking Veronica to the flea market! But deal-hunting isn't in Mrs. Lodge's genetic makeup and she balks at her daughter taking part! Can Ronnie do anything to dissuade her mom from going ballistic over her daughter's thrifty endeavors? That story, plus Betty rounds up the Green Girls of Riverdale to help raise funds for the library -- and they're doing it with a western flair!