* 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:
A new storm brews over Central City and disproves the old adage about lightning never, well...you know. Just as Barry begins to feel overwhelmed fighting crime, a new speedster debuts—but just where did this amazing new friend come from?
FLASH FACT: "2016 is the 60th anniversary of Barry Allen becoming The Flash, and it's a privilege to be a part of it," says writer Joshua Williamson. "'The Return of Barry Allen' in FLASH #79  is one of my favorite comics of all time. It's where I became a Flash fan for life."