* 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:
Shayna Pond has worked as a professional freelancer of design and illustration since 2007. Her work has been published by World Literature Today, Yale University Press, and the Oklahoma State Regents for Higher Education. Shayna is the Graphic Artist in the Media and Community Relations Office at USAO.