* 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:
"Holiday Watch": It just wouldn't be the holidays without a visit from Jingles the Elf and the Sugar Plum Fairy, but now that they're love-struck they need someone to make sure they don't slack on their duties -- and Santa has assigned that task to Betty and Veronica! Then, seeking ideas that will save some money this holiday, the gang decide to do a Secret Santa giveaway, but once they see their presents they'll wish the idea had stayed a secret! Finally, the claws come out when Veronica matches wits with someone even cattier than herself -- Betty's cat Caramel!