* 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:
To the public, he's a mystery. To the media, he's a menace. To the Torino crime family, he's a possible million dollar payday. To Gwen Stacy, he's the subject of her latest school paper, and a way to become a reporter for the Daily Bugle. He's Peter Parker, the amazing Spider-Man.