* 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:
“The War of Jokes and Riddles” part one! Don’t miss this extra-sized anniversary issue! In his own words, Bruce Wayne narrates a harrowing, never-before-told story of the Dark Knight’s greatest failure…and the horrors it unleashed! In the spirit of YEAR ONE and THE LONG HALLOWEEN, prepare to see a side of Batman you've never seen before—get in on the ground floor of a classic Batman epic in the making!