Web applications can be classified into two types: client-side and server-side applications. Client-side applications run on the user’s computer, while server-side applications run on the web server.
Server-side web applications, on the other hand, are built using server-side programming languages such as PHP, Python, and Ruby. These applications run on the web server and interact with the database and other resources to generate dynamic content. Examples of server-side web applications include e-commerce websites, online banking systems, and content management systems.
Web applications can also use APIs (Application Programming Interfaces) to interact with other web services and applications. APIs allow web applications to exchange data with other applications in real time, enabling users to perform complex tasks such as booking a flight or making a payment.
Web applications use security measures to protect user data and prevent unauthorized access. These security measures include SSL (Secure Socket Layer) encryption, firewalls, and authentication mechanisms such as usernames and passwords.