* 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:
A unique tale of the human intellect, the heart's desires, and the reason behind your every decision! However, these "reasons" aren't just in your head, they're real, and they want out! From the butterflies in your stomach to the zany thoughts running through your mind, you won't believe just how influential (and dangerous) these feelings can be.