* 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:
When the most infamous villain in STAR TREK history is last seen in the Original Series episode "Space Seed," Khan Noonian Singh's an elegant, proud warrior-king. When he's next seen in STAR TREK II, he's a grizzled maniac, twisted by loss and an unquenchable thirst for revenge. What has happened between these two points in time to so radically alter what seemed to be an unbreakable will?