* 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:
He's a media darling, a vital part of the X-Men dynamic and the newest member of the team. His name: the Magician! Watch him live up to his name in ways you could never conceive. There is more - much, much more about this new mutant than any suspect. Meanwhile, a tormented Jean Grey is having great difficulty dealing with the results of the Shi'ar testing. Elsewhere...Dazzler stirs.