* 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:
“INTELLIGENCE” finale! Ascalon, the deadly artificial intelligence created by the Order of St. Dumas, is ready to replace Azrael and purify Gotham City…and all that stands in the way of the world’s most flawless computer brain is the mind of Batman himself!