* 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:
Battling evil with his son Damian at his side, Batman now realizes the hardest part of the job may be trying to work together! The Dynamic Duo toil as father and son in this series by the creative team behind the GREEN LANTERN CORPS--Peter Tomasi and Patrick Gleason.