* 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:
Continuing the intro of the all-new, all-deadly Whiplash! Tony Stark is behind bars with dictators, despots and war criminals - and there's nowhere else Whiplash would rather have him! How is this new nemesis formed from Stark's own armor, and why does he want Iron Man destroyed? Before he tears up the screen in Iron Man II, be there for the arrival of the new Whiplash in the Marvel U!