* 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:
The X-men return to their headquarters with an injured Professor X. While chasing down the Brotherhood of Evil Mutants, Professor X was caught in an explosion that seems to have robbed him of his telepathy. The X-men put Professor X to bed. They are soon interrupted by the arrival of visitors. Jean's parents (John and Elaine) have come for a visit. The X-men scramble to get into normal attire.