* 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:
When Mack's got a job to do nothing can stop him. He's as big as a house and as mean as a bull elephant. Gunfire can't break his concentration, and a bus can't knock him off course. That's how you've gotta be to be a Body Bagger. But now that Panda's on the scene and in his life for the first time since she was a baby, Mack's been thrown for a loop. And we're only getting started…