BuckyClient is a HubSpot-provided JavaScript client that runs in the browser and collects performance data from clients, sending it to the Bucky server, which forwards metrics to endpoints like StatsD, Graphite, or OpenTSDB. It can automatically measure how long your pages take to load, how long AJAX requests take and how long various functions take to run. Most importantly, it's taking the measurements on actual page loads, so the data has the potential to be much more valuable than in...