Frontend Testing and Performance Optimization

After building an application, a developer should test what they have built. Frontend testing verifies the user-facing interface of a software application. It requires knowledge about requirements related to user experience but not about the database and the backend mechanics. Backend testing checks the efficacy of the functionality on the server and database side of the software. In a brevity, frontend testing aims to test functionalities and verify that a website or app’s presentation layer is a bug or error-free. 

In continuation, in this part developers will also learn about Performance Optimization. Performance optimization is the process of modifying a system to amplify its functionality, thus making it more efficient and effective.