Personalized News Aggregator System

This study describes the creation of a responsive real-time news aggregator web application based on ReactJS. The web application retrieves recent headlines and categorized news from third-party APIs (e.g., NewsAPI.org), providing a dynamic and interactive user experience. React's component-based structure and DOM provide high performance of maintainability. Some of important features are category-wise filtering, virtual and ease the search functionality, dark mode support, and responsive design through CSS Flexbox and Media Queries. The study contrasts the performance, scalability, and usability efficiency of React with conventional web development techniques. Findings show that application developed using React greatly enhance user interaction and load speed. The study ends with an elaboration of improvements such as offline caching with service workers and adding sentiment analysis. Key Words: ReactJS, News Aggregator, Web Development, NewsAPI, Component-based UI, JavaScript, Frontend Performance