Web development refers to the process of creating websites or web applications. It involves the implementation of the design and the development of the underlying functionality that enables the website to function and interact with users. Web development typically involves the use of programming languages, frameworks, and tools to build the various components of a website.

Here are some key aspects of web development:

Front-End Development: Front-end development focuses on the client-side of the website, which is what users see and interact with directly.

Back-End Development: Back-end development deals with the server-side of the website. It involves building the server infrastructure, databases, and writing code that handles the processing of user requests, data storage, and business logic.

Database Management: Web development often involves working with databases to store and retrieve data efficiently.

Frameworks and Content Management Systems (CMS): Web developers often leverage frameworks and CMS platforms to streamline development and accelerate the process.

APIs and Web Services: Web development often involves integrating with external systems and services through Application Programming Interfaces (APIs) or web services.

Security and Performance Optimization: Web developers must consider security best practices to protect websites from vulnerabilities and potential attacks. This includes implementing secure coding practices, using encryption protocols, and validating user inputs to prevent common security threats.