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Digital Analytics Program (DAP) Data Over Time (DOT)

Gov. Website Visits: Using an API Data Query

These data visualizations were created as part of a virtual poster for the 2020 Federal Depository Library Program (FDLP) Virtual Conference using Digital Analytics Program (DAP) data. You can view real-time DAP data at and learn about the API at Visualizations were created with Datawrapper

Data Visualizations: Jan-Sept 2020

Hint:  Hover over the graph line to see numeric values. 

API User Interface

With the publicly available API at, Eric Olsen, a PFW computer science graduate student and Helmke Library student worker, built a user interface to query the U.S. government's Digital Analytics Program (DAP) data, which includes website usage data for government websites. Below is a screen shot of this user interface as of October 9, 2020. This example searches for daily website visits to from January 1, 2020 to January 31, 2020.  Note that the search results include duplicates, which were removed for the analysis and visualizations.

User Interface for API Query

Table View: What Websites Interest You?

Top Website Visits & Volatility