* 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:
Mary and Nel were known for being close. Throughout the years the two of them zig-zagged the country as the rock duo "The Chairs" they never spent more than a day or two apart.
That is until Mary mysteriously appears in a new city having given up her music, fame, and friends. She wants nothing more than to work her lousy job and be left alone, but the two people who just showed up on her doorstep are determined to make sure won't happen.