A system and methods for dynamically controlling sample rates and data flow in a distributed networked environment by dynamic determination of statistical significance or characteristics for an unlimited number of data collection scripts concurrently executed on concurrently rendering web pages operating an unlimited number of advertisements. Consumer and media behaviors are sampled on all the different components of the distributed environment to gather information, which is transmitted to a downstream statistical analytics system. The system and methods are configured to balance the communication data flow and load among servers and browsers in this distributed networked environment that are engaged in viewing of online content including online content with one or more advertisements.