The purpose of this study was to compare two popular programming frameworks dedicated to building SPA applications.Two proprietary applications with identical functionalities were analyzed, one created in React ELDER FLOWERS and the other in Angular.A ready-made programming tool was used, an original script comparing the speed of adding elements to the database, and the popularity of the technology was checked on 7 Piece Outdoor Modular Seating the Stack Overflow website and in the Google search engine.