Google Analytics 4 is the new version of Google Analytics by Google. Previously known as Google Analytics Universal, since 2020 Google is now recommending Google Analytics 4 as the defacto solution for website analytics.

MongoDB is an open source cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents with optional schemas. MongoDB is developed by MongoDB Inc. and licensed under the Server Side Public License (SSPL) which is deemed non-free by several distributions.