Web development refers to the process of creating and maintaining websites. It involves several tasks, including web design, web content development, client-side and server-side scripting, and network security configuration.

Web development can be divided into two main categories:

1. Front-end development: This involves the development of the user interface of a website. Front-end developers use languages such as HTML, CSS, and JavaScript to create visually appealing and interactive web pages that can be viewed on a variety of devices, including desktops, tablets, and mobile phones.

2. Back-end development: This involves the development of the server-side of a website. Back-end developers use languages such as PHP, Python, Ruby, and Java to create the logic and functionality that power a website. They work with databases and web servers to ensure that the website is fast, secure, and scalable.

Web development is a complex and constantly evolving field, and there are several frameworks and tools that developers can use to make the process more efficient. Some popular web development frameworks include React, Angular, Vue.js, and Django.

Web development is essential for businesses and organisations that want to establish an online presence and reach a global audience. A well-designed and optimised website can attract and retain customers, enhance brand reputation, and improve the bottom line.