* 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:
Prepare for ''The Torture of William Leather,'' as only Warren Ellis and John Cassaday can deliver! William Leather, a founding member of the Four, is now in the hands of Elijah Snow. He recounts the history of his family, and we learn that his father had secrets that, once revealed, will open doors--and lead to many more questions.