* 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:
Tim Smith 3 -- Co-creator and designer of BLACK, Tim Smith 3 (A.K.A TS3), has been working in the comic industry for over 15 years. He created and self-published Red After the Party, and has worked on hit titles for some of the biggest publishers in the industry!