[6] Around April 22, 2015, the government of Philadelphia launched its own analytics website at analytics.phila.gov, built using a forked version of the source code developed for analytics.usa.gov.
As of July 7, 2017, the following adaptations are listed on the main README of the analytics.usa.gov GitHub repository:[11] The 18F blog provided a detailed description of the technology stack used to build the website,[40] which was picked up by Hacker News[41] and formed the basis of a more picture-heavy version in Storify.
[42] The data is collected through a unified Google Analytics account that stores anonymized IP addresses to preserve privacy.
[44] A number of people expressed concerns about the storage of potentially private user data in Google Analytics, despite the IP address anonymization.
[4][45] Discussion of the analytics focused on the fact that pages from the Internal Revenue Service were among the most visited, and the "Where's My Refund?"