* 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:
Not all monsters are easy to spot - and in the Marvel Universe, most of them live on Monster Island. Or, at least, they did. A mysterious exodus is under way; monsters spilling onto nearby shores - with catastrophic results - and it falls upon a small group of X-Men to both save the population from destruction and solve an imposing riddle: What are monsters afraid of?