* 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:
Supergirl's impossible quest leads her to break a criminal out of jail and force him to plumb the secrets of recurring life. But while her aim may be true, her grasp of the situation is less so, leading her into battle with a deadly new foe! Continued in SUPERGIRL #31!