Front-end development in 2021 is characterized by several significant trends that continue to shape the industry. JavaScript remains a dominant force, utilized by nearly 97.5% of websites for creating dynamic web experiences, with an extensive array of libraries enhancing its capabilities. Jamstack architecture, which separates the front-end and back-end for improved speed and security, is gaining traction, while micro-frontend architecture addresses the complexity of large web applications by breaking them into smaller, manageable modules. TypeScript, a superset of JavaScript, is increasingly popular for its ability to handle large projects and static typing, and ReactJS is favored for its component-based approach that simplifies complex front-end development. Progressive Web Apps (PWAs) offer a native app-like experience through browsers, notably benefiting companies like Flipkart by increasing user engagement and reducing data usage. Animations and motion designs are pivotal in enhancing user experience, and frameworks like Gatsby streamline the creation of fast, scalable web pages. GraphQL, a query language developed by Facebook, allows efficient data fetching, and the component-based development approach emphasizes reusable components for greater collaboration and integration. Finally, headless architecture is rising as businesses seek to standardize content management across platforms, with testing tools like LambdaTest and LT Browser ensuring compatibility and responsiveness across diverse devices and systems.