* 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:
"Johnny Saturn," it's like mythology, with superheroes, in the Midwest. His is a world of high-flying, trendy superheroes who live like celebrities, and a shadowy, back-alley world where mystery men, those old school vigilantes who rely on their fists and indomitable wills, wage lonely wars on crime. "Johnny Saturn" is a heady blend of horror, conspiracy theory, superheroes, the paranormal and classical myths.