* 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:
"One With Mustard": When Miss Beazly has to get rid of all the extra mustard she accidentally ordered, it's Riverdale's resident food expert, Jughead to the rescue! "The Yeller Kid": After an excited yell inspired by a pizza commercial, Jughead finds himself literally speechless. Along comes Dilton with a yellow nightshirt that transmits the wearer's thoughts to the front of the shirt... just like a certain historical comic strip figure! "For Art's Sake": In danger of running out of ideas, famous artist Crispo comes to Riverdale where he installs his latest masterwork - 'Boy Eating.' Guess who?!