* 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 dead roam the earth, a small town in New York is under siege, and human flesh is what's for dinner! And humanity's last hope is hiding out in a rest-stop on Interstate 90. Hell is on Earth, and it just might be up to Simon Garth to stop it...