* 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 death count rises, while Green Arrow and Black Canary continue to probe the crime-ridden streets of Seattle for clues. And there's another mysterious archer in town, perpetrating their own brand of violence. We learn more about this deadly killer as the investigation leads to the city docks...and to a horrific climax.