* 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:
Can you think of any one man whose power is grater than that of the Avengers?! Don't answer that, not until you meet...Kang the Conqueror! Kang as destined to rank as one of the most unique villains of all time! And wait till you learn his surprising identity! Brought to you by our answer to Victor Hugo, Stan Lee and our answer to Rembrandt, Jack Kirby!