* 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:
Prince Rogers Nelson, a musician from Minneapolis, started a musical revolution with the hits "1999," "Little Red Corvette," "When Doves Cry," "Purple Rain," "Batdance," and more, challenging even the "King of Pop," Michael Jackson, for chart supremacy during the 1980's. The book chronicles his meteoric rise to dominance in the pop/funk music scene.