* 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:
In the wake of Professor X's funeral, Captain America creates a new Avengers unit comprised of Avengers and X-Men, humans and mutants working together. But the Red Skull has returned -- straight out of the 1940s -- and he wants to destroy all mutants! And what gruesome weapon has given the him dangerous new powers?