* 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 ratings are through the roof and the critics have labeled it a smash hit! And it's all leading up to the big showdown: Youngblood vs. Mayhem, Inc! Head-to-head combat! Who lives? Who dies? And who's sponsoring the whole thing? Celebrity superheroes like you've never seen them before! Plus, the return of a hero and a messenger from beyond the stars!