* 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:
It's a love story, but not like you think. There's no boy meets girl or star-crossed soul mates. Love is a billion-dollar industry. Cupid's the megalomaniac CEO. And Kali Monroe gets paid to break your heart. Love is all around us. These are the pricks who control it.