* 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:
Hey, remember the panel gutter between panels 3 and 4 of page 20 of HARLEY QUINN #12? What? You DON’T? It’s only, like, the most memorable panel gutter of the twenty-first century. Well, either way, have we got the miniseries for you, in which the full tale of that momentous and momentary pause can be told! It’s a cosmic adventure beyond your wildest imaginings: Power Girl and Harley Quinn, stranded in a forgotten dimension, on the homeworld of the amorous warlord Vartox! They’ll sacrifice anything they have to in order to get home…except their dignity! Kidding! That’ll be the first thing to go.