Matomo (formerly known as Piwik) is an open-source web analytics platform designed to give website owners insights into their website's traffic, user behavior, and overall performance. Unlike many other analytics solutions, Matomo allows users to host the analytics data on their own servers, providing full control over data privacy and security. Matomo provides a range of features for tracking and analyzing website traffic, including customizable dashboards, real-time reporting, and detailed visitor logs.