Can you explain the difference between a web server and an application server?

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Web Server vs. Application Server

Web servers and application servers are both critical components in the process of delivering web applications, but they serve different purposes and have distinct functions.

Web Server:

A web server primarily handles the HTTP protocol to fulfill client requests for web pages and static content. It is responsible for serving static resources such as HTML, images, CSS, and JavaScript files to users' web browsers. Popular web servers include Apache HTTP Server, Nginx, and Microsoft IIS.

Application Server:

An application server, on the other hand, is specifically designed to execute and manage dynamic content and web applications. It provides the necessary runtime environment and services for applications to run smoothly. Application servers support server-side scripting, database connectivity, session management, and other application-specific functionalities.

Main Differences:

• Web servers handle static content, while application servers manage dynamic content and application logic.
• Web servers serve web pages to clients, whereas application servers run the business logic of applications.
• Web servers are lightweight and focused on delivering web content, while application servers are feature-rich and designed for running complex applications.

In summary, while web servers focus on serving web pages and static content, application servers play a crucial role in executing dynamic applications and managing application logic.