* 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:
There is a power that can either save the world or doom it! Both Steve Rogers and the heroes arrayed against him need this power! But unfortunately for all of them, the key to possessing this power lies in the hands of the unstoppable Ultron! LIVE IN X-CITING TIMES! SECRET EMPIRE!